2 Samuel 12:4, 7

Now there came a traveler to the rich man, and he was unwilling to take one of his own flock or herd to prepare for the guest who had come to him, but he took the poor man’s lamb and prepared it for the man who had come to him.”

Nathan said to David, “You are the man! Thus says the LORD, the God of Israel, ‘I anointed you king over Israel, and I delivered you out of the hand of Saul.