John 7:37
In the last day, the most solemn day of the feast, Jesus being there, raised his voice, and said, if any man thirst, let him come to me, and drink.
Treasury of Scripture Knowledge
Summary
Also day by day, from the first day unto the last day, he read in the book of the law of God. And they kept the feast seven days; and on the eighth day was a solemn assembly, according unto the manner.