Bible: Exod. 4:22-23
4:22 You must say 1 to Pharaoh, ‘Thus says 2 the Lord, “Israel is my son, my firstborn, 3 4:23 and I said to you, ‘Let my son go that he may serve 4 me,’ but since you have refused to let him go, 5 I will surely kill 6 your son, your firstborn!”’” NET Bible Study Environment
