Having given Abraham a son, the words that God had spoken to Abraham were fulfilled. This does not mean that God’s plan stopped here; on the contrary, God’s magnificent plan for the management and salvation of mankind had only just begun, and His blessing of a son to Abraham was but a prelude to His overall management plan. At that moment, who knew that God’s battle with Satan had quietly begun when Abraham offered Isaac?
from “God’s Work, God’s Disposition, and God Himself II”
in Continuation of The Word Appears in the Flesh