'Hearts' in the Bible

And he shall go before him in the spirit and power of Elias, to turn the hearts of the fathers to the children, and the disobedient to the wisdom of the just; to make ready a people prepared for the Lord.

He hath shewed strength with his arm; he hath scattered the proud in the imagination of their hearts.

And all they that heard them laid them up in their hearts, saying, What manner of child shall this be! And the hand of the Lord was with him.

(Yea, a sword shall pierce through thy own soul also,) that the thoughts of many hearts may be revealed.

And as the people were in expectation, and all men mused in their hearts of John, whether he were the Christ, or not;

But when Jesus perceived their thoughts, he answering said unto them, What reason ye in your hearts?

Those by the way side are they that hear; then cometh the devil, and taketh away the word out of their hearts, lest they should believe and be saved.

And he said unto them, Ye are they which justify yourselves before men; but God knoweth your hearts: for that which is highly esteemed among men is abomination in the sight of God.

Settle it therefore in your hearts, not to meditate before what ye shall answer:

Men's hearts failing them for fear, and for looking after those things which are coming on the earth: for the powers of heaven shall be shaken.

And take heed to yourselves, lest at any time your hearts be overcharged with surfeiting, and drunkenness, and cares of this life, and so that day come upon you unawares.

And he said unto them, Why are ye troubled? and why do thoughts arise in your hearts?