Psalm 64:6
"They search out iniquities; they accomplish a diligent search: both the inward thought of every one of them, and the heart, is deep."
Cross References (ranked by relevance)
Now the chief priests, and elders, and all the council, sought false witness against Jesus, to put him to death;
For there is no faithfulness in their mouth; their inward part is very wickedness; their throat is an open sepulchre; they flatter with their tongue.
Therefore judge nothing before the time, until the Lord come, who both will bring to light the hidden things of darkness, and will make manifest the counsels of the hearts: and then shall every man have praise of God.
Woe unto them that seek deep to hide their counsel from the LORD, and their works are in the dark, and they say, Who seeth us? and who knoweth us?
Counsel in the heart of man is like deep water; but a man of understanding will draw it out.
And David said to Saul, Wherefore hearest thou men’s words, saying, Behold, David seeketh thy hurt?
And Nabal answered David’s servants, and said, Who is David? and who is the son of Jesse? there be many servants now a days that break away every man from his master.
False witnesses did rise up; they laid to my charge things that I knew not.
Their inward thought is, that their houses shall continue for ever, and their dwelling places to all generations; they call their lands after their own names.
Then answered Doeg the Edomite, which was set over the servants of Saul, and said, I saw the son of Jesse coming to Nob, to Ahimelech the son of Ahitub.
The Jews answered him, We have a law, and by our law he ought to die, because he made himself the Son of God.