Charles H. Spurgeon on Psalms 7:16

The rod which he lifted on high, has smitten his own back. He shot an arrow upward, and it has "returned upon his own head." He hurled a stone at another and it has "come down upon his own pate." Curses are like young chickens, they always come home to roost. Ashes always fly back in the face of him that throws them. "As he loved cursing, so let it come unto him." (Psalm 109:17.) How often has this been the case in the histories of both ancient and modern times. Men have burned their own fingers when they were hoping to brand their neighbour. And if this does not happen now, it will hereafter. The Lord has caused dogs to lick the blood of Ahab in the midst of the vineyard of Naboth. Sooner or later the evil deeds of persecutors have always leaped back into their arms. So it will be in the last great day, when Satan's fiery darts shall all be quivered in his own heart, and all his followers shall reap the harvest which they themselves have sown.