Numbers 12:10-12

But when the cloud had withdrawn from over the tent, behold, Miriam was leprous, as white as snow. As Aaron turned toward Miriam, behold, she was leprous. Then Aaron said to Moses, “Oh, my lord, I beg you, do not account this sin to us, in which we have acted foolishly and in which we have sinned. Oh, do not let her be like one dead, whose flesh is half eaten away when he comes from his mother’s womb!”