Leviticus 8:36

Thus Aaron and his sons did all the things which the Lord had commanded through Moses.

Exodus 39:43

And Moses examined all the work and behold, they had done it; just as the Lord had commanded, this they had done. So Moses blessed them.

Exodus 40:16

Thus Moses did; according to all that the Lord had commanded him, so he did.

Deuteronomy 4:2

You shall not add to the word which I am commanding you, nor take away from it, that you may keep the commandments of the Lord your God which I command you.

Deuteronomy 12:32

Whatever I command you, you shall be careful to do; you shall not add to nor take away from it.

1 Samuel 15:22

Samuel said,
Has the Lord as much delight in burnt offerings and sacrifices
As in obeying the voice of the Lord?
Behold, to obey is better than sacrifice,
And to heed than the fat of rams.

Treasury of Scripture Knowledge

Summary

So Aaron and his sons did all things which the LORD commanded by the hand of Moses.

Bible References

Aaron

Exodus 39:43
And Moses examined all the work and behold, they had done it; just as the Lord had commanded, this they had done. So Moses blessed them.
Exodus 40:16
Thus Moses did; according to all that the Lord had commanded him, so he did.
Deuteronomy 4:2
You shall not add to the word which I am commanding you, nor take away from it, that you may keep the commandments of the Lord your God which I command you.
Deuteronomy 12:32
Whatever I command you, you shall be careful to do; you shall not add to nor take away from it.
1 Samuel 15:22
Samuel said,
Has the Lord as much delight in burnt offerings and sacrifices
As in obeying the voice of the Lord?
Behold, to obey is better than sacrifice,
And to heed than the fat of rams.