Exodus 23:13-15

Darby Translation

¹³ And ye shall be on your guard as to everything that I have said unto you; and shall make no mention of the name of other gods—it shall not be heard in thy mouth.

¹⁴ Thrice in the year thou shalt celebrate a feast to me.

¹⁵ Thou shalt keep the feast of unleavened bread, (thou shalt eat unleavened bread seven days, as I have commanded thee, in the time appointed of the month Abib; for in it thou camest out from Egypt; and none shall appear in my presence empty;)