'Heart' in the Bible

And having looked round upon them with anger, being grieved for the hardness of their heart, he saith to the man, 'Stretch forth thy hand;' and he stretched forth, and his hand was restored whole as the other;

for they understood not concerning the loaves, for their heart hath been hard.

and he answering said to them -- 'Well did Isaiah prophesy concerning you, hypocrites, as it hath been written, This people with the lips doth honour Me, and their heart is far from Me;

because it doth not enter into his heart, but into the belly, and into the drain it doth go out, purifying all the meats.'

for from within, out of the heart of men, the evil reasonings do come forth, adulteries, whoredoms, murders,

And Jesus having known, saith to them, 'Why do ye reason, because ye have no loaves? do ye not yet perceive, nor understand, yet have ye your heart hardened?

And Jesus answering said to them, 'For the stiffness of your heart he wrote you this command,

for verily I say to you, that whoever may say to this mount, Be taken up, and be cast into the sea, and may not doubt in his heart, but may believe that the things that he saith do come to pass, it shall be to him whatever he may say.

and thou shalt love the Lord thy God out of all thy heart, and out of thy soul, and out of all thine understanding, and out of all thy strength -- this is the first command;

and to love Him out of all the heart, and out of all the understanding, and out of all the soul, and out of all the strength, and to love one's neighbour as one's self, is more than all the whole burnt-offerings and the sacrifices.'

Afterwards, as they are reclining (at meat), he was manifested to the eleven, and did reproach their unbelief and stiffness of heart, because they believed not those having seen him being raised;