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 2:18
"And write [this] to the angel of the church at Thyatira: These are the words of the Son of God, who has eyes like flaming fire and feet like shiny brass:
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.