'Serve the Lord' in the Bible

Pharaoh’s servants said to him, “How long will this man be a snare to us? Let the men go, that they may serve the Lord their God. Do you not realize that Egypt is destroyed?”

So Moses and Aaron were brought back to Pharaoh, and he said to them, “Go, serve the Lord your God! Who are the ones that are going?”

Not so! Go now, the men among you, and serve the Lord, for that is what you desire.” So they were driven out from Pharaoh’s presence.

Then Pharaoh called to Moses, and said, “Go, serve the Lord; only let your flocks and your herds be detained. Even your little ones may go with you.”

Therefore, our livestock too shall go with us; not a hoof shall be left behind, for we shall take some of them to serve the Lord our God. And until we arrive there, we ourselves do not know with what we shall serve the Lord.”

But you shall serve the Lord your God, and He will bless your bread and your water; and I will remove sickness from your midst.