Leviticus 8:36
So Aaron and his sons did everything that the LORD had commanded through Moses.
Exodus 39:43
Moses blessed them when he saw all the work and that they had completed it. They had done it just as the LORD had commanded.
Exodus 40:16
Moses did everything that the LORD had commanded him, so he did.
Deuteronomy 4:2
Do not add or subtract a thing to what I'm commanding you. Observe the commands of the LORD your God.
Deuteronomy 12:32
Now as to everything I'm commanding you, you must be careful to observe it. Don't add to or subtract from it."
1 Samuel 15:22
Samuel said, "Does the LORD delight as much in burnt offerings and sacrifices as in obeying the LORD? Surely, to obey is better than sacrifice, to pay attention is better than the fat of rams.