I say unto thee; I command thee; for saying is put for commanding, Luke 4:3, Luke 9:54; and in 1 Chronicles 21:19, compared with 2 Samuel 24:19. I will slay thy son; by which plague, coming after the rest, thou wilt be enforced to do what I advise thee now to do upon cheaper terms.
Related Commentaries of Exodus 4:23
Exodus 4:23
23 And I say unto thee, Let my son go, that he may serve me: and if thou refuse to let him go, behold, I will slay thy son, even thy firstborn.