Numbers 29:35
On the eighth day ye shall have a solemn assembly: ye shall do no servile work;
Leviticus 23:36
Seven days ye shall offer an offering made by fire unto Jehovah: on the eighth day shall be a holy convocation unto you; and ye shall offer an offering made by fire unto Jehovah: it is a solemn assembly; ye shall do no servile work.
John 7:37-39
Now on the last day, the great day of the feast, Jesus stood and cried, saying, If any man thirst, let him come unto me and drink.
Revelation 7:9-17
After these things I saw, and behold, a great multitude, which no man could number, out of every nation and of all tribes and peoples and tongues, standing before the throne and before the Lamb, arrayed in white robes, and palms in their hands;