Jeremiah 17:10New King James Version
10 I, the Lord, search the heart,
I test the [a]mind,
Even to give every man according to his ways,
According to the fruit of his doings.
1 Samuel 16:7New King James Version
7 But the Lord said to Samuel, “Do not look at his appearance or at his physical stature, because I have [a]refused him. For[b] the Lord does not see as man sees; for man looks at the outward appearance, but the Lord looks at the heart.”
Psalm 139:23-24New King James Version
23 Search me, O God, and know my heart;
Try me, and know my anxieties;
24 And see if there is any wicked way in me,
And lead me in the way everlasting.
Luke 16:15New King James Version
15 And He said to them, “You are those who justify yourselves before men, but God knows your hearts. For what is highly esteemed among men is an abomination in the sight of God.
Romans 8:27New King James Version
27 Now He who searches the hearts knows what the mind of the Spirit is, because He makes intercession for the saints according to the will of God.