And if aught of the flesh of the consecration, or of the bread, remain unto the morning, then thou shalt burn the remainder with fire: it shall not be eaten, because it is holy.
No meal offering, which ye shall offer unto the LORD, shall be made with leaven: for ye shall burn no leaven, nor any honey, as an offering made by fire unto the LORD.
And the flesh of the sacrifice of his peace offerings for thanksgiving shall be eaten on the day of his oblation; he shall not leave any of it until the morning.
Another parable spake he unto them; The kingdom of heaven is like unto leaven, which a woman took, and hid in three measures of meal, till it was all leavened.
Thou shalt eat no leavened bread with it; seven days shalt thou eat unleavened bread therewith, even the bread of affliction; for thou camest forth out of the land of Egypt in haste: that thou mayest remember the day when thou camest forth out of the land of Egypt all the days of thy life.
And there shall be no leaven seen with thee in all thy borders seven days; neither shall any of the flesh, which thou sacrificest the first day at even, remain all night until the morning.