What exactly was the sign God gave to Abram? The sign was God Himself, in the person of His Son, passing through the pieces. God was saying: “I am willing to be broken for covenant breakers. I am willing to shed blood for people who deserve to have their blood shed. Abram, trust Me; it is going to be all right. I will take care of everything. I am the covenant-making, covenant-keeping God. I am the burning lamp; I am your light; I am your sacrifice; I am your everything.”
Beeke, Joel. Parenting by God’s Promise. Orlando, FL: Reformation Trust, 2011. 11.