Numbers 29:35
"'On the eighth day you shall have a solemn assembly: you shall do no servile work;
Leviticus 23:36
Seven days you shall offer an offering made by fire to the LORD. On the eighth day shall be a holy convocation to you; and you shall offer an offering made by fire to the LORD. It is a solemn assembly; you shall do no regular work.
John 7:37-39
Now on the last and greatest day of the feast, Jesus stood and said in a loud voice, "If anyone is thirsty, let him come to me and drink.
Revelation 7:9-17
After these things I looked, and behold, a great multitude, which no man could number, out of every nation and of all tribes, peoples, and languages, standing before the throne and before the Lamb, dressed in white robes, with palm branches in their hands.