Exodus 23:15

12 `Six days thou dost do thy work, and on the seventh day thou dost rest, so that thine ox and thine ass doth rest, and the son of thine handmaid and the sojourner is refreshed;

13 and in all that which I have said unto you ye do take heed; and the name of other gods ye do not mention; it is not heard on thy mouth.

14 `Three times thou dost keep a feast to Me in a year;

15 the Feast of Unleavened things thou dost keep; seven days thou dost eat unleavened things, as I have commanded thee, at the time appointed [in] the month of Abib; for in it thou hast come forth out of Egypt, and ye do not appear [in] My presence empty;

16 and the Feast of Harvest, the first fruits of thy works which thou sowest in the field; and the Feast of the In-Gathering, in the outgoing of the year, in thy gathering thy works out of the field.

17 `Three times in a year do all thy males appear before the face of the Lord Jehovah.

18 `Thou dost not sacrifice on a fermented thing the blood of My sacrifice, and the fat of My festival doth not remain till morning;