Ahithophel replied, “Sleep with your father’s concubines, whom he has left to take care of the palace. When all Israel hears that you have become a stench to your father, then the hands of all who are with you will be strengthened.”
Absalom had notice sent him speedily by some of his friends at Jerusalem that David had withdrawn, and with what a small retinue he had gone; so that the coasts were clear, Absalom might take possession of Jerusalem when he pleased. The gates were open, and there was none to oppose him.
Commenting on 2 Samuel 16:15-23
And Ahithophel said unto Absalom,.... Either immediately of himself, without consulting with others; or after a consultation had been held between them, he as the president of it, and their mouth, gave the following advice; though the former seems most correct: go in unto thy father's concubines, which he hath left, to keep the house; and lie with them; there were ten of them, Sa2...
Ahithophel said unto Absalom--This councillor saw that now the die was cast; half measures would be inexpedient. To cut off all possibility of reconciliation between the king and his rebellious son, he gave this atrocious advice regarding the treatment of the royal women who had been left in charge of the palace. Women, being held sacred, are generally left inviolate in the casualties of war.