'Heart' in the Bible

As an offering of first fruits you may offer them [leaven and honey] to the Lord, but they shall not go up [in smoke] on the altar as a sweet and soothing aroma.

Thou shalt not hate thy brother in thine heart: thou shalt in any wise rebuke thy neighbour, and not suffer sin upon him.

I also will do this unto you; I will even appoint over you terror, consumption, and the burning ague, that shall consume the eyes, and cause sorrow of heart: and ye shall sow your seed in vain, for your enemies shall eat it.

And those who are left of you -- I have also brought a faintness into their heart in the lands of their enemies, and the sound of a leaf driven away hath pursued them, and they have fled -- flight from a sword -- and they have fallen, and there is none pursuing.

also I walk to them in opposition, and have brought them into the land of their enemies -- or then their uncircumcised heart is humbled, and then they accept the punishment of their iniquity, --