Romans 8:4

8:4 so that the righteous requirement of the law may be fulfilled in us, who do not walk according to the flesh but according to the Spirit.

Romans 12:20

12:20 Rather, if your enemy is hungry, feed him; if he is thirsty, give him a drink; for in doing this you will be heaping burning coals on his head. ¹ 

[12:20]  ¹ sn A quotation from Prov 25:21-22.