'Heart' in the Bible

For out of much affliction and anguish of heart I wrote unto you with many tears; not that ye should be made sorry, but that ye might know the love that I have more abundantly unto you.

But unto this day, whensoever Moses is read, a veil lieth upon their heart.

We are not again commending ourselves unto you, but'speak as giving you occasion of glorying on our behalf, that ye may have wherewith to answer them that glory in appearance, and not in heart.

Our mouth is open unto you, O Corinthians, our heart is enlarged.

But thanks be to God, who putteth the same earnest care for you into the heart of Titus.

Let each man do according as he hath purposed in his heart: not grudgingly, or of necessity: for God loveth a cheerful giver.