1 The Lord said to Moses and Aaron in the land of Egypt,
The importance of passover is highlighted in at least two details in the first couple of verses: 1) The specific identification of Moses and Aaron, the first two Levitical priests serve as an example for all others to follow. 2) The detailed instructions of the act of passover prior to the formal giving of the law on Mt. Sinai.
2 “This month shall be for you the beginning of months. It shall be the first month of the year for you.