Here, I. Moses obtains leave of his father-in-law to return into Egypt, Exod. 4:18. His father-in-law had been kind to him when he was a stranger, and therefore he would not be so uncivil as to leave his family, nor so unjust as to leave his service, without giving him notice. Note, The honour of being admitted into communion with God, and of being employed for him, does not exempt us from the dut...