Mishle 25:4-5; Mishle 25:21-22

Mishle 25:4-5

4 Take away the dross from the kesef, and there shall come forth a vessel for the tzoref (silversmith);

5 Take away the rasha from before Melech, and his kisse shall be established in tzedek.

Mishle 25:21-22

21 If thine enemy be hungry, give him lechem to eat, and if he be thirsty, give him mayim to drink;

22 For so shalt thou heap hot coals upon his rosh, and Hashem shall reward thee.