Cross reference
Numbers 4:27
27 At the appointment of Aaron and his sons shall be all the service of the sons of the Gershonites, in all their burdens, and in all their service: and ye shall appoint unto them in charge all their burdens.
Luke 1:70
70 As he spake by the mouth of his holy prophets, which have been since the world began:
1 Corinthians 11:2
2 Now I praise you, brethren, that ye remember me in all things, and keep the ordinances, as I delivered them to you.