Psalms 40:10 Meaning: Speak of His Faithfulness
I have not hidden your righteousness within my heart. I have declared your faithfulness and your salvation. I have not concealed your loving kindness and your truth from the great assembly.
I have not hid thy righteousness within my heart; I have declared thy faithfulness and thy salvation: I have not concealed thy lovingkindness and thy truth from the great congregation.
I have not hid thy righteousness within my heart; I have declared thy faithfulness and thy salvation; I have not concealed thy lovingkindness and thy truth from the great assembly.
Thy righteousness I have not concealed In the midst of my heart, Thy faithfulness and Thy salvation I have told, I have not hidden Thy kindness and Thy truth, To the great assembly.
I have not hidden thy righteousness within my heart; I have declared thy faithfulness and thy salvation: I have not concealed thy loving-kindness and thy truth from the great congregation.
Meaning in one sentence
Psalms 40:10 calls us to declare God's righteousness, faithfulness, and salvation openly. What does it mean to not hide His goodness in your heart?
Context
David wrote this psalm after a season of waiting and deliverance. He had been lifted from a desperate place, what he calls the 'roaring pit' and 'miry clay', and God had steadied him. Now he is telling others about it. The verses surrounding this one show a man who has decided that what God has done for him must be spoken aloud, not kept private. Some Christian readers through the centuries have heard the voice of Christ in these lines, especially in light of Hebrews 10, which applies similar language to Jesus. Either way, the psalmist is doing more than feeling grateful. He is declaring something.
Key Words
The word 'righteousness' here means more than moral purity. It is God's saving action, His way of setting things right. The psalmist refuses to keep that knowledge inside. The Hebrew verb behind 'declared' is linked to bringing good news, the kind that makes someone's face light up with joy. Keil and Delitzsch called it 'gladdening.' Salvation is deliverance only God can bring. And the pair 'lovingkindness and truth' appear together throughout the Psalms. Lovingkindness is God's covenant loyalty, the steady love He swore to keep. Truth is His faithfulness to every promise. The two are like two sides of one coin, God's character fully reliable. This public declaration follows a pattern: the psalmist writes,
"With my mouth, I will make known your faithfulness to all generations."
— Psalms 89:1 (WEB)
The repetition of 'I have not hidden' and 'I have not concealed' suggests this was a deliberate choice. It would have been easier to stay silent, but he chose to speak.
How Christians Read This Verse
Christians have read this verse in two main ways. Many early Protestant commentators, including Matthew Henry and Albert Barnes, understood the psalmist as speaking prophetically about Christ. In that reading, Jesus is the one who fully declared God's righteousness and faithfulness, especially through His death and resurrection. The words become His testimony. Other interpreters, such as John Calvin and the Cambridge Bible scholars, see the verse as David's own personal testimony after a deliverance. He is not claiming to be sinless. He is saying he did not let fear or shame keep him from speaking about what God had done. Both readings affirm the same truth: God's goodness is meant to be spoken, not kept hidden.
A common misunderstanding
Some readers assume that 'within my heart' means the psalmist is emphasizing his inner sincerity, that what matters is that he believes the truth privately. But the point of the verse is the exact opposite. He is saying he did NOT hide it in his heart. The focus is on public declaration. It is not enough to believe God is faithful; we are called to speak it where others can hear.
Living This Out
Think of one specific way God has shown up for you this year. Maybe He provided when money was tight. Maybe He steadied you through a relationship that was falling apart. This verse invites you to tell someone about it. Not in a formal testimony, but in a conversation. You could say, 'I don't know what I would have done without God's kindness this week.' The psalmist spoke in the 'great assembly.' For you, that might be a small group, a family dinner, or a coffee with a friend. The point is not the size of the audience but the act of opening your mouth. If fear has kept you quiet, you are in good company. The psalmist had to push past that same fear. But he decided that what God had done was too good to keep inside.
Main takeaway: God's saving goodness is not meant to be kept secret; it is given to be spoken.
For Families
For ages 5, 8
When God does something good for you, you can tell someone about it. The psalmist said, “I did not hide God’s goodness in my heart.” He told everyone what God did.
For ages 9, 12
The psalmist could have kept quiet about what God had done for him. But he chose to speak. He declared God's faithfulness and salvation in front of the whole congregation. That takes courage. You might feel shy about sharing your faith, but this verse shows that God's goodness is meant to be said out loud, not kept a secret. Try telling one person this week something true about God that you have experienced.
Questions People Ask
What does Psalms 40:10 mean?
The psalmist says he did not keep God's righteousness, faithfulness, salvation, lovingkindness, and truth to himself but spoke them openly to the gathered people. It is a decision to publicly declare what God has done rather than staying silent.
Who is speaking in Psalms 40:10?
The psalm is attributed to David. Many Christian commentators, such as Matthew Henry and Albert Barnes, see the words as also prophetically spoken by Christ, especially connecting it to Hebrews 10. Other readers hear David's own personal testimony after deliverance.
Is Psalms 40:10 about Jesus?
The verse is part of a psalm that the New Testament book of Hebrews applies to Christ. Christians have traditionally understood that Jesus perfectly fulfilled the declaration of God's righteousness and salvation. So the verse can be read as both David's experience and a prophecy of Christ.
What is the great assembly in Psalms 40:10?
The 'great assembly' likely refers to the gathered congregation of Israel for worship. It was a public setting, not a private moment. The psalmist spoke these words where many could hear, making his declaration a form of evangelism or testimony.
What does it mean to not hide God's righteousness in your heart?
It means choosing to speak about what God has done rather than keeping it to yourself. The heart here is the inner self where we might store our gratitude privately. The psalmist rejects that secrecy and proclaims God's goodness out loud.
For pastors & researchers
Hebrew interlinear, 8 commentaries & word study