Verse 1 Let my people Cf. Exodus 4:22,23. Possibly Moses and Aaron shrank from delivering the message concerning the firstborn. Verse 3 three days Cf. Matthew 12:38-40. By death and resurrection will God have his people separated from Egypt -- the world. ; Romans 6:1-11; Galatians 6:14-15; Hebrews 13:12,13.