Deuteronomy 16:16
World English Bible (WEB)
"Three times in a year shall all your males appear before the Lord your God in the place which he shall choose: in the feast of unleavened bread, and in the feast of weeks, and in the feast of tents; and they shall not appear before the Lord empty:"
About Deuteronomy
Moses' final speeches reviewing the Law before Israel enters Canaan.
Old Testament • Book #5