- Introduction — What Is Filling Your Mouth?
Have you ever considered how often your words reveal what is happening within you?
Sometimes, a person may try to hide fear, but eventually fearful words begin to come out. Another person may be deeply discouraged, and before long, discouragement begins to shape the language of that person. Likewise, when faith fills the heart, words of faith will eventually find expression.
This is because the mouth does not live independently of the heart.
Jesus said:
For out of the abundance of the heart the mouth speaks. — Matthew 12:34 (NKJV)
That means your words are not merely sounds you release into the atmosphere. In many ways, they reveal what has gained entrance into your heart.
Therefore, if the Word of God is to become your manual for living, it must do more than enter your eyes when you read the Bible. It must enter your heart, shape your thoughts, and influence your speech.
This is where the power of speaking God’s Word becomes important.
However, we must understand this subject correctly. Speaking God’s Word is not about using Scripture as a magical formula to get everything we want. Neither is it about denying reality or pretending that painful circumstances do not exist.
Rather, it is about allowing what God has said to become stronger in our hearts than the contrary voices around us. It is learning to agree with God, to speak His truth, and to allow His Word to govern our response to life.
For when God’s Word fills the heart, it should eventually find expression through the mouth.
God’s Word Was Meant to Be in Your Heart and in Your Mouth (Deuteronomy 30:14)
From the beginning, God did not intend for His Word to remain distant from His people. He wanted His Word close.
Moses said:
But the word is very near you, in your mouth and in your heart, that you may do it. — Deuteronomy 30:14 (NKJV)
Notice the beautiful order in this verse.
The Word is in your mouth.
Followed by, the Word is in your heart.
And then, you do it.
This is significant because biblical living is connected to what fills both the heart and the mouth. God was not merely asking His people to possess written instructions. He wanted His truth to become part of their inner lives.
Consequently, the Word was to be spoken, remembered, and obeyed.
There is something powerful about continually bringing God’s truth to your lips. When you speak what God has said, you remind your own heart of what is true. You deliberately place your thoughts again under the authority of His Word.
For example, when fear rises, you can acknowledge the situation while also declaring what God has said.
David did this when he wrote:
Whenever I am afraid, I will trust in You. — Psalm 56:3 (NKJV)
Notice that David did not say he would never feel afraid.
Instead, he showed us what to do when fear came. Fear may speak, circumstances may speak, and people may speak. Nevertheless, God’s Word must also have a voice in your life.
Your Mouth Reveals What Your Heart Has Received
Now, Jesus gives us a deeper understanding of the relationship between the heart and the mouth.
He said:
A good man out of the good treasure of his heart brings forth good; and an evil man out of the evil treasure of his heart brings forth evil. For out of the abundance of the heart his mouth speaks. — Luke 6:45 (NKJV)
The key word here is abundance. Whatever fills the heart in abundance will eventually seek expression.
This is why merely correcting your speech without addressing your heart may not produce lasting change. You may decide not to speak negatively for a few hours or even a few days. Yet if fear, unbelief, bitterness, or worldly thinking continue to dominate the heart, they will eventually find their way back into your words.
Therefore, lasting change begins deeper. The heart must be filled with God’s truth. This is why Scripture repeatedly emphasizes keeping the Word within us.
The psalmist said:
Your word I have hidden in my heart, that I might not sin against You. — Psalm 119:11 (NKJV)
David understood that the Word must be stored within. Not merely heard occasionally, admired, or quoted when convenient. It must be hidden in the heart. Then, when pressure comes, what has been stored within you has something to bring out.
Jesus Showed Us How to Answer With the Word
One of the clearest examples of speaking God’s Word is found in the temptation of Jesus.
After fasting for forty days, Jesus was tempted by the devil. Each temptation was real. Each challenge came at a moment of physical weakness. Yet Jesus did not respond by arguing according to human wisdom.
Again and again, He answered:
“It is written…” — Matthew 4:4, 7, 10 (NKJV)
That phrase is important.
“It is written.”
Jesus knew what God had said, and He believed what God had said. And He responded on the basis of what God had said.
Now, this does not mean we should quote Scripture carelessly or use verses outside their context. In fact, the devil himself quoted Scripture during the temptation of Jesus.
That teaches us something important: quoting Scripture is not enough. Scripture must be understood and rightly applied.
Jesus responded with the truth of God’s Word in its proper meaning. Therefore, speaking God’s Word requires more than memorization. It requires understanding, faith, and obedience.
The purpose is not simply to say, “The Bible says…”, but to know what God truly says and to stand upon it.
Speaking God’s Word Helps You Stand in Faith
Faith and speech are closely connected in Scripture.
Paul wrote:
And since we have the same spirit of faith, according to what is written, ‘I believed and therefore I spoke,’ we also believe and therefore speak. — 2 Corinthians 4:13 (NKJV)
Notice the connection:
I believed, therefore, I spoke.
Biblical confession should flow from faith.
In other words, you do not speak God’s Word merely because you have been taught that repeating certain words will automatically produce results. Rather, you speak because God’s truth has entered your heart and you believe Him.
This is an important distinction. Faith is not pretending. It is believing God.
Suppose you are facing a difficult situation. Faith does not require you to pretend that nothing is wrong. Instead, faith enables you to face what is wrong while refusing to allow the situation to have the final word.
You can say, “This situation is difficult, but God is faithful.”
You can acknowledge, “I do not yet know how this will end, but I know the One who holds my life.”
And when Scripture gives you a promise that applies to your situation, you can hold onto it and speak it with confidence. This is not denial, it is faith.
Agreeing With God When Your Circumstances Say Something Else
There will be moments when what you see seems completely different from what God has said. That is where faith is tested.
Perhaps you have prayed, yet the answer has not come. Maybe your circumstances appear to be getting worse. At times, people may even speak words that increase your fear and discouragement. What do you do then?
Paul gives us this powerful declaration:
Indeed, let God be true but every man a liar. — Romans 3:4 (NKJV)
This does not mean that every person intentionally lies. Rather, it establishes the supremacy of God’s truth. Human opinions can be wrong, circumstances can change, and feelings can deceive. But God’s Word remains true.
Therefore, speaking God’s Word means choosing to give His truth the highest authority in your life.
When fear says, “You will not make it,” you remember what God has said. And if discouragement says, “Nothing will ever change,” you return to the Word. Also, when your heart becomes troubled, you deliberately bring God’s truth before your mind and mouth.
The circumstances may not change immediately. Nevertheless, your heart begins to remain anchored in something greater than the circumstances.
Do Not Let Your Words Contradict the Life You Desire to Live (James 3:9–10)
The tongue is small, yet Scripture gives it serious attention.
James writes:
With it we bless our God and Father, and with it we curse men, who have been made in the similitude of God. Out of the same mouth proceed blessing and cursing. My brethren, these things ought not to be so. — James 3:9–10 (NKJV)
James draws our attention to inconsistency.
How can we continually speak about trusting God while our daily speech remains full of hopelessness, hatred, bitterness, and destruction? This is not a call to become perfect in speech overnight. Rather, it is a call to become intentional.
As you grow in the Word, your language should gradually come under its influence.
For instance, instead of continually saying, “There is no hope for me,” you can begin to remember that with God there is always hope.
Instead of allowing bitterness to control every conversation, you can submit your heart to God’s command to forgive.
Instead of speaking carelessly because everyone around you does so, you can begin to ask:
Does this reflect the Word that I claim to believe?
This is where speaking God’s Word becomes part of spiritual maturity. Your mouth should increasingly reflect the God you follow.
Let Your Words Be Governed by Truth, Not by Pressure
Pressure has a way of exposing us. When everything is going well, it may be easy to speak carefully. However, what happens when you are hurt, disappointed, angry, or afraid?
Those moments often reveal what has been filling the heart.
Proverbs says:
There is one who speaks like the piercings of a sword, but the tongue of the wise promotes health. — Proverbs 12:18 (NKJV)
Your words can wound. They can discourage or increase confusion. Yet words can also promote healing, hope, peace, and wisdom. This does not mean you must suppress every painful emotion. God is not asking you to pretend that you are never hurt.
The Psalms are filled with honest expressions of pain, fear, and sorrow. However, David did not remain in despair. Again and again, he brought his emotions before God and allowed truth to redirect his heart.
That is an important lesson for us. You may honestly tell God how you feel, and acknowledge your pain. But do not allow temporary pressure to become the permanent language of your life. Rather, bring your words under the influence of God’s truth.
Speaking the Word Must Lead to Obeying the Word
Here we must be careful.
There is little value in speaking Scripture constantly while refusing to obey it. God’s Word was not given merely to be declared. It was given to be lived.
James says:
But be doers of the word, and not hearers only, deceiving yourselves. — James 1:22 (NKJV)
The same principle applies to speaking.
You cannot continually confess God’s love while choosing to walk in hatred. And you cannot declare trust in God while deliberately refusing to obey His instructions. Neither can you speak about God’s forgiveness while remaining determined not to forgive others.
True biblical confession must be connected to a life of obedience. Therefore, when you speak God’s Word, ask yourself:
Am I willing to live what I am saying?
This question keeps confession from becoming empty repetition. The Word should shape your mouth. Yet it should also shape your conduct. When both come into agreement, your life begins to give greater testimony to the truth you profess.
A Practical Way to Speak God’s Word Daily
Now, how can you make this part of your daily life?
Paul gives us a beautiful instruction:
Let the word of Christ dwell in you richly in all wisdom… — Colossians 3:16 (NKJV)
The goal is not to force yourself to speak Bible verses every minute of the day. Rather, allow the Word to dwell within you so richly that it naturally influences your speech.
Here are simple ways to begin:
- Read the Word and Keep One Truth With You
After your Bible study, identify a truth that speaks directly to your life. Write it down if necessary. Then return to it during the day.
- Speak Scripture in Prayer
Instead of allowing prayer to consist only of your concerns, bring God’s Word into your conversation with Him. If you are afraid, remind yourself of what He has said. And if you need wisdom, pray according to His promise in James 1:5. Again, If you are discouraged, meditate on Scriptures that strengthen hope.
- Answer Wrong Thoughts With Truth
When a thought contrary to God’s Word repeatedly enters your mind, do not simply accept it. Examine it. Then bring the truth of Scripture against it.
As Paul says:
Casting down arguments and every high thing that exalts itself against the knowledge of God, bringing every thought into captivity to the obedience of Christ. — 2 Corinthians 10:5 (NKJV)
The Word in your heart gives you truth to speak when wrong thoughts seek to control your mind.
- Let Your Everyday Language Change Gradually
Finally, pay attention to your words. Not with condemnation, but with honesty. As the Word grows within you, allow it to correct the language of fear, bitterness, hopelessness, and unbelief. Growth may be gradual. Nevertheless, it should be real.
Reflection — What Is Your Mouth Agreeing With?
Now, pause and reflect honestly.
When pressure comes, what usually comes out of your mouth?
Do your words reveal trust in God, or are they consistently controlled by fear?
When circumstances become difficult, do you allow them to have the final word?
Is the Word of God hidden deeply enough in your heart to influence your speech?
And perhaps most importantly, are you willing to obey the truths you confess?
These questions are not meant to condemn you. Instead, they are an invitation. An invitation to allow God’s Word to fill you more deeply. For as His Word fills the heart, it will increasingly influence the mouth.
Conclusion — Let God’s Word Find a Voice in Your Life
The power of speaking God’s Word does not lie in repeating religious words mechanically. Its power is found in truth believed, spoken, and obeyed.
God’s Word must first enter your heart. Then, from the abundance of that heart, your mouth will begin to speak.
Therefore, fill yourself with the Word. Believe what God has said. Speak His truth in faith. Also, allow His promises to strengthen you when circumstances become difficult. And let your words increasingly agree with the life you are learning to live in Christ.
Remember, you do not have to deny what you are facing. But you must never allow what you are facing to become greater in your heart than what God has said.
So let God have the final word. Let His truth correct your thoughts, and His Word guide your speech.
And as you continue to live by the Word, may it not only be something you read with your eyes but something that fills your heart, governs your mouth, and directs your life. For truly, the Word of God was never meant to remain only on the pages of a book. It was meant to become part of you.
Transition
In the next chapter, we will turn our attention to Studying Jesus: The Center of Scripture.
For the more deeply you study God’s Word, the more clearly you begin to see that the Scriptures are not merely a collection of stories, laws, promises, and instructions.
They all lead us to Christ.
Jesus is Lord!
–
Please leave your comment below, I would like to hear from you
Visit my site for more spiritual resources.
Connect with me .
Also, connect with me on
Instagram! https://www.instagram.com/stepswithgod
Facebook! https://www.facebook.com/stepswithgod
I am very active on my social media platforms.
God bless you.
–
Ngozi Nwoke
Grace and peace of God be unto you.
Do share this post. If you enjoyed this post make sure you subscribe to our mailing list (Up top right) for free email updates
About the Author
