John 21:17
Then Jesus asked him a third time, "Simon, son of John, do you [truly] love me?" Peter was sad because Jesus had asked him a third time, "Do you [even] love me?" So, he said to Jesus, "Lord, you know all things. You [surely] know that I love you." Jesus replied to him, "[Then] feed my sheep.
John 2:25
and He did not need anyone to tell Him about mankind, for He Himself knew what was in the hearts of mankind.
Hebrews 4:13
And no created being is hidden from God's sight, but everything is laid bare and is openly visible to the eyes of God, to whom we must give account.
Revelation 2:23
And I will strike her children dead [or, "kill her children by some terrible calamity" See Ex. 5:3 LXX]. Then all the churches will know that I am the One who searches the inmost being of people [Note: The Greek says, "searches the kidneys and hearts." In that day these internal organs stood for the inner thoughts, emotions, etc.]. And I will repay each one of you people according to what you have done.