You shall both do great things. —“Saul is here again ‘among the prophets,’ and foretells David’s exaltation and victory. …

Then Saul said to David, blessed [be] you, my son David
He desired God to bless him, and pronounced him blessed hims…

Saul repeated his good words and good wishes, but he showed no evidence of true repentance towards God. David and Saul parted, to meet no more.