Must good be repaid with evil that they should dig a pit to take my life? Remember that I stood before you to speak on their behalf, to turn your wrath away from them.
unlike Cain who belonged to the evil one and slaughtered his brother. Why did he slaughter him? Because his own works were evil, and those of his brother righteous.
So David went with his men to Keilah and fought against the Philistines. He drove off their cattle and inflicted a severe defeat on them, and freed the inhabitants of Keilah.
David had just been saying: “Indeed, it was in vain that I guarded all this man’s possessions in the wilderness, so that nothing of his was missing. He has repaid good with evil.