Exodus 23:14 ¶Three times thou shalt keep a feast unto me in the year.

Exodus 23:17 Three times in the year all thy males shall appear before the Lord GOD.

Deuteronomy 16:16 ¶Three times in a year shall all thy males appear before the LORD thy 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 tabernacles: and they shall not appear before the LORD empty:

Deuteronomy 12:5 But unto the place which the LORD your God shall choose out of all your tribes to put his name there, even unto his habitation shall ye seek, and thither thou shalt come:

Exodus 34:24 For I will cast out the nations before thee, and enlarge thy borders: neither shall any man desire thy land, when thou shalt go up to appear before the LORD thy God thrice in the year.