In the tabernacle of meeting outside the veil, which is before the testimony, Aaron and his sons shall tend it from evening to morning before the LORD: it shall be a statute forever unto their generations on the behalf of the children of Israel.
All Commentaries on Exodus 27:21 Go To Exodus 27
George Leo Haydock
AD 1849
Aaron. Here God declares that the sons of Aaron are chosen by him to perform this office. They were not anointed priests till chap. xxix. (Haydock)
Light. Thus God admonishes us to let our good works always shine before men. (Ven. Bede, Taber. iii. 1.)