Leviticus 8:36
So Aaron and his sons did all things which the LORD commanded by the hand of Moses.
Exodus 39:43
And Moses did look upon all the work, and, behold, they had done it as the LORD had commanded, even so had they done it: and Moses blessed them.
Exodus 40:16
Thus did Moses: according to all that the LORD commanded him, so did he.
Deuteronomy 4:2
You shall not add unto the word which I command you, neither shall you take away from it, that you may keep the commandments of the LORD your God which I command you.
Deuteronomy 12:32
Whatsoever thing I command you, observe to do it: you shall not add thereto, nor take away from it.
1 Samuel 15:22
And Samuel said, has the LORD as great delight in burnt offerings and sacrifices, as in obeying the voice of the LORD? Behold, to obey is better than sacrifice, and to hearken than the fat of rams.