1 Corinthians 4:5
Judge nothing therefore before the time, till the Lord comes, who will both bring to light the hidden deeds of darkness, and make known the purposes of the hearts; and then shall each one have praise from God.
Hebrews 4:12-13
For the word of God is living, and effective, and sharper than any two-edged sword, and reaching even to the division of soul and spirit, and of joints and marrows, and distinguishes thoughts and intentions of mind;
Revelation 2:23
And her children will I kill with pestilence, and all the churches shall know that I am he that searches the minds and hearts, and I will give you each one according to your works.