1 Samuel 24:22

22 So David gave his oath to Saul. Then Saul returned home, but David and his men went up to the stronghold.

Read 1 Samuel 24:22 Using Other Translations

And David sware unto Saul. And Saul went home; but David and his men gat them up unto the hold.
And David swore this to Saul. Then Saul went home, but David and his men went up to the stronghold.
So David promised this to Saul with an oath. Then Saul went home, but David and his men went back to their stronghold.