'Heart' in the Bible

But--to use the words of Scripture--we speak of things which eye has not seen nor ear heard, and which have never entered the heart of man: all that God has in readiness for them that love Him.

Every one of you already has all that heart can desire; already you have grown rich; without waiting for us, you have ascended your thrones! Yes indeed, would to God that you had ascended your thrones, that we also might reign with you!

If, so far as I am concerned, I partake with a grateful heart, why am I to be found fault with in regard to a thing for which I give thanks?"

and the hidden evils of his heart are brought to light. And, as the result, he will fall on his face and worship God, and will report to others that of a truth God is among you.