Numbers 29:35
"On the eighth day, you are to call a sacred assembly. No servile work is to be done.
Leviticus 23:36
For seven days, bring offerings made by fire to the LORD. The eighth day is also to be a sacred assembly for you. Bring offerings made by fire to the LORD. It's a sacred assembly. You are not to do any servile work.
John 7:37-39
On the last and most important day of the festival, Jesus stood up and shouted, "If anyone is thirsty, let him come to me and drink!
Revelation 7:9-17
After these things, I looked, and there was a crowd so large that no one was able to count it! They were from every nation, tribe, people, and language. They were standing in front of the throne and the lamb and were wearing white robes, with palm branches in their hands.