Now the war between the house of Saul and the house of David was protracted. And David grew stronger and stronger, while the house of Saul grew weaker and weaker.
Jewish Publication Society of America Version (JPS1917) - 2 Samuel 3:1 >Now there was long war between the house of Saul and the house of David; and David waxed stronger and stronger, but the house of Saul waxed weaker and weaker.