Romans 2:16
on the day when God through Jesus Christ, in accordance with the good news I preach, will judge the secrets people have kept.
1 Corinthians 4:5
So you must stop forming any premature judgments, but wait until the Lord shall come again, for He will bring to light the secrets hidden in the dark and will make known the motives of men's hearts, and the proper praise will be awarded each of us.
Hebrews 4:12-13
For God's message is alive and full of power in action, sharper than any double-edged sword, piercing even to the depths of soul and spirit, to the dividing of joints and marrow, and passing judgment on the thoughts and purposes of the heart.
Revelation 2:23
and I will surely strike her children dead. So all the churches will know that I am He who searches men's inmost hearts, and that I will repay each of you for exactly what you have done.