You have tried my heart, you have visited me by night, you have tested me, and you will find nothing; I have purposed that my mouth will not transgress.
English Standard Version (ESV)
David boldly declares that God, who can see into the deepest parts of his heart, has examined him thoroughly, even in the quiet of the night, and found him pure. This isn't about being perfectly sinless, but about having a heart that genuinely seeks God and a resolve that his words will not betray that sincerity.
You have tried my heart, you have visited me by night, you have tested me, and you will find nothing; I have purposed that my mouth will not transgress.
English Standard Version (ESV)
David is facing intense opposition and false accusations from his enemies, leading him to cry out to God for justice. He appeals to God's perfect knowledge of his heart, asserting his innocence of any wrongdoing against those who are persecuting him. This section serves as a prelude to his detailed plea for deliverance, where he will further elaborate on the enemies' wickedness and his own desperate situation.
Ever feel like you're being watched, or like your deepest thoughts could be exposed? David knew this feeling, but he invited it.
David appeals to God, the ultimate judge, to examine his heart. He uses vivid imagery of God 'trying' and 'visiting' him, even in the 'night' – a time when our true selves often emerge, away from watchful eyes.
A Deeper Scan
David isn't claiming he's perfect, but that in this specific struggle against his enemies, his heart's intentions toward them are pure. He trusts that God's examination will reveal his innocence in this matter.
Words have power. David resolves that his words, unlike the accusations against him, will be free from deceit and harm.
The latter part of the verse reveals David's firm resolution regarding his speech. He declares, 'I have purposed that my mouth will not transgress.' This isn't just about avoiding outright lies, but about ensuring his words align with the truth and integrity God has found in his heart.
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Guarding the Tongue
This commitment to pure speech is the outflow of a pure heart. It’s a reminder that our words should be a reflection of the inner integrity God is cultivating in us.
Understand the original words
leb · Hebrew Noun
In Scripture, the heart is the center of human intellect, emotion, will, and conscience; it is the core of one's inner being where moral decisions are made.
bachan · Hebrew Verb
To examine or prove someone, often through difficulties or trials, to reveal the quality or purity of their faith and character.
zamam · Hebrew Verb
To transgress or cross a boundary; in a spiritual sense, it is to rebel against God’s moral law or to fall short of His standard of holiness.
This passage echoes David's plea for God to examine him, highlighting the theme of seeking divine scrutiny for integrity, much like in Psalm 17:3.
Job 1:8This verse shows God Himself testifying to Job's blamelessness and integrity, mirroring the psalmist's appeal to God's knowledge of his heart in Psalm 17:3.
Proverbs 16:2This proverb speaks to the idea that God weighs the 'spirits' or intentions of men, aligning with David's trust that God sees the truth of his heart, not just outward appearances, as stated in Psalm 17:3.
Romans 12:17Paul's instruction to 'repay no one evil for evil' connects with David's resolution in Psalm 17:3 that his mouth will not transgress, even when facing unjust accusations and treatment.
1 Corinthians 4:4Paul states, 'I am not aware of anything against myself, but I am not thereby justified,' which resonates with David's confidence in his tested heart in Psalm 17:3, acknowledging that ultimate judgment rests with the Lord.
calvinPsalms 17:3-4: "Thou hast proved mine heart; thou hast visited me in the night; thou hast tried me, and shalt find nothing; I am purposed that my mouth shall not transgress."
Thou hast proved my heart; thou hast visited it by night; thou hast examined it, thou shalt find nothing; my thoughts shall not pass beyond my mouth. [344] 4. As for the works of men, by the word of thy lips I have taken heed of [or watched] the ways of the destroyer. [345]
Thou hast proved my heart. Some are of opi…
clarkePsalms 17:3: "Thou hast proved mine heart; thou hast visited me in the night; thou hast tried me, and shalt find nothing; I am purposed that my mouth shall not transgress."
Thou hast proved mine heart - Thou well knowest whether there be any evil way in me. Thou hast given me to see many and sore trials; and yet, through thy mercy, I have preserved my integrity both to thee and to my king. Thou hast seen me in my most secret retirements, and knowest whether I have plotted mischief against him w…
David boldly declares that God, who can see into the deepest parts of his heart, has examined him thoroughly, even in the quiet of the night, and found him pure. This isn't about being perfectly sinless, but about having a heart that genuinely seeks God and a resolve that his words will not betray that sincerity.
David is facing intense opposition and false accusations from his enemies, leading him to cry out to God for justice. He appeals to God's perfect knowledge of his heart, asserting his innocence of any wrongdoing against those who are persecuting him. This section serves as a prelude to his detailed plea for deliverance, where he will further elaborate on the enemies' wickedness and his own desperate situation.
David is facing intense opposition and false accusations from his enemies, leading him to cry out to God for justice. He appeals to God's perfect knowledge of his heart, asserting his innocence of any wrongdoing against those who are persecuting him. This section serves as a prelude to his detailed plea for deliverance, where he will further elaborate on the enemies' wickedness and his own desperate situation.
"You have tried my heart, you have visited me by night, you have tested me, and you will find nothing; I have purposed that my mouth will not transgress." — David boldly declares that God, who can see into the deepest parts of his heart, has examined him thoroughly, even in the quiet of the night, and found him pure. This isn't about being perfectly sinl…
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Last reviewed October 2026