We are introduced to the coming conflict between God and the gods of Egypt. Pharaoh, representing the tyrant of the devil responds to the modest request of a three days journey to enter into a feast, or liturgical sacrificial worship of God. Pharaoh does not know God and therefore intensifies the work required so as to consume all of the time of the Hebrews so that they cannot be idle. The worldly see time in rest (Hb. sabat) looking forward and back (Gen.2:3) as a time for rest in the Lord to worship Him to order things properly, God first, then work. Hence now in the New and everlasting covenant, we worship God on the first day, the first day of the New Creation, and giving to God the first fruits. The genealogy of Moses and Aaron is the demarcation, a breath if you will before we begin the confrontation of God with the gods of Egypt.