Proverbs 11:17
"The merciful man doeth good to his own soul: but he that is cruel troubleth his own flesh."
Cross References (ranked by relevance)
Blessed are the merciful: for they shall obtain mercy.
For he shall have judgment without mercy, that hath shewed no mercy; and mercy rejoiceth against judgment.
Wherefore, O king, let my counsel be acceptable unto thee, and break off thy sins by righteousness, and thine iniquities by shewing mercy to the poor; if it may be a lengthening of thy tranquillity.
Not because I desire a gift: but I desire fruit that may abound to your account.
He that is greedy of gain troubleth his own house; but he that hateth gifts shall live.
There is one alone, and there is not a second; yea, he hath neither child nor brother: yet is there no end of all his labour; neither is his eye satisfied with riches; neither saith he, For whom do I labour, and bereave my soul of good? This is also vanity, yea, it is a sore travail.
Give, and it shall be given unto you; good measure, pressed down, and shaken together, and running over, shall men give into your bosom. For with the same measure that ye mete withal it shall be measured to you again.
The righteous perisheth, and no man layeth it to heart: and merciful men are taken away, none considering that the righteous is taken away from the evil to come.