'Go in Peace' in the Bible

And Moses will go and turn back to Jethro his father-in-law, and will say to him, I will go now and turn back to my brethren which are in Egypt, and I will see whether they are yet living. And Jethro will say to Moses, Go in peace.

And now turn back and go in peace, and thou wilt not do evil in the eyes of the princes of the rovers.

And Abner will say to David, I will arise and go and gather to my lord the king, all Israel, and they shall cut out with thee a covenant, and thou didst reign over all that thy soul shall desire. And David will send away Abner, and he will go in peace.

And Joab and all the army which was with him came, and they will announce to Joab, saying, Abner the son of Ner came to the king, and he will send him away, and he will go in peace.

And the king will say to him, Go in peace. And he will rise and go to Hebron.