1 Samuel 26:25

26:25 Then Saul said to David, Blessed be you, my son David: you shall both do mightily, and shall surely prevail. So David went his way, and Saul returned to his place.
-World English Bible

Other Translation

26:25 Then Saul said to David, Blessed [be] thou, my son David: thou shalt both do great [things], and also shalt still prevail. So David went on his way, and Saul returned to his place.
-King James Version