'Go in Peace' in the Bible

Then Eli answered and said, Go in peace, and the God of Israel grant thy petition that thou have asked of him.

LORD do so to Jonathan, and more also, should it please my father to do thee evil, if I not disclose it to thee, and send thee away that thou may go in peace. And LORD be with thee as he has been with my father.

And Jonathan said to David, Go in peace, inasmuch as we have sworn both of us in the name of LORD, saying, LORD shall be between me and thee, and between my seed and thy seed, forever. And he arose and departed, and Jonathan went i

Therefore now return, and go in peace, that thou not displease the lords of the Philistines.