Proverbs 15:11

“Hell and destruction are before the Lord: how much more then the hearts of the children of men?”

Proverbs 17:3

“The fining pot is for silver, and the furnace for gold: but the Lord trieth the hearts.”

Proverbs 21:2

“Every way of a man is right in his own eyes: but the Lord pondereth the hearts.”

Proverbs 24:12

“If thou sayest, Behold, we knew it not; doth not he that pondereth the heart consider it? and he that keepeth thy soul, ...”

Ezekiel 16:30

“How weak is thine heart, saith the Lord God, seeing thou doest all these things, the work of an imperious whorish woman;”