Numbers 1:54

What thing soever I command you, observe to do it: thou shalt not add thereto, nor diminish from it.

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.

When they went into the tent of the congregation, and when they came near unto the altar, they washed; as the LORD commanded Moses.

Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you alway, even unto the end of the world. Amen.

Thus was all the work of the tabernacle of the tent of the congregation finished: and the children of Israel did according to all that the LORD commanded Moses, so did they.

And Samuel said, Hath 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.

Thus did Moses: according to all that the LORD commanded him, so did he.

And the children of Israel did according to all that the LORD commanded Moses: so they pitched by their standards, and so they set forward, every one after their families, according to the house of their fathers.