Numbers 28:31
You are to offer them with their drink offerings in addition to the continual burnt offering and its grain offering -- they must be unblemished.
Numbers 28:19
"'But you must offer to the Lord an offering made by fire, a burnt offering of two young bulls, one ram, and seven lambs one year old; they must all be unblemished.
Numbers 28:3
You will say to them, 'This is the offering made by fire which you must offer to the Lord: two unblemished lambs one year old each day for a continual burnt offering.
Malachi 1:13-14
You also say, 'How tiresome it is.' You turn up your nose at it," says the Lord who rules over all, "and instead bring what is stolen, lame, or sick. You bring these things for an offering! Should I accept this from you?" asks the Lord.