Kohelet Rabbah 3:3/קוהלת רבה ג׳:ג׳

1“A time to kill, and a time to heal; a time to breach, and a time to build” (Ecclesiastes 3:3).“A time to kill,” in wartime, “and a time to heal,” in peacetime; “a time to breach,” in wartime, “and a time to build,” in peacetime.