“God will provide ¹  for himself the lamb for the burnt offering, my son,” Abraham replied. The two of them continued on together.

Let me walk among ¹  all your flocks today and remove from them every speckled or spotted sheep, every dark-colored lamb, ²  and the spotted or speckled goats. ³  These animals will be my wages. ⁴ 

Isaac said to his father Abraham, ¹  “My father?” “What is it, ²  my son?” he replied. “Here is the fire and the wood,” Isaac said, ³  “but where is the lamb for the burnt offering?”