1 Samuel 24:18

And thou hast shewed this day how that thou hast dealt well with me: forasmuch as when the LORD had delivered me into thine hand, thou killedst me not.

Ver. 18. And thou hast showed this day.] Saul being melted by those coals of kindness which David had heaped on his head, poureth out himself in a flood of passionate expressions, and for present spake as he thought. But good thoughts make but a thoroughfare of wicked hearts: they stay not there, as those that like not their lodging: their purposes, for want of performance, are but as clouds without rain, or as Hercules' club in the tragedy, of a great bulk, but stuffed with moss and rubbish.