Ezekiel 24:17

24:17 Groan in silence for the dead, but do not perform mourning rites. Bind on your turban and put your sandals on your feet. Do not cover your lip and do not eat food brought by others.”

Ezekiel 43:18

43:18 Then he said to me: “Son of man, this is what the sovereign Lord says: These are the statutes of the altar: On the day it is built to offer up burnt offerings on it and to sprinkle blood on it,