Kings I 25:31

31 then this shall not be an abomination and offence to my lord, to have shed innocent blood without cause, and for my lord to have avenged himself: and so may the Lord do good to my lord, and thou shalt remember thine handmaid to do her good.

Kings I 25:31 In-Context

29 And a man shall rise up persecuting thee and seeking thy life, yet shall the life of my lord be bound up in the bundle of life with the Lord God, and thou shalt whirl the life of thine enemies in the midst of a sling.
30 And it shall be when the Lord shall have wrought for my lord all the good things he has spoken concerning thee, and shall appoint thee to be ruler over Israel;
31 then this shall not be an abomination and offence to my lord, to have shed innocent blood without cause, and for my lord to have avenged himself: and so may the Lord do good to my lord, and thou shalt remember thine handmaid to do her good.
32 And David said to Abigaia, Blessed the Lord God of Israel, who sent thee this very day to meet me:
33 and blessed thy conduct, and blessed thou, who hast hindered me this very day from coming to shed blood, and from avenging myself.

The Brenton translation of the Septuagint is in the public domain.