Exodus 12:19
Seven days shall there be no leaven found in your houses: for whosoever eats that which is leavened, even that soul shall be cut off from the congregation of Israel, whether he be a stranger, or born in the land.
Exodus 12:15
Seven days shall you eat unleavened bread; even the first day you shall put away leaven out of your houses: for whosoever eats leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.
Exodus 12:48
And when a foreigner shall sojourn with you, and will keep the passover to the LORD, let all his males be circumcised, and then let him come near and keep it; and he shall be as one that is born in the land: for no uncircumcised person shall eat of it.
Exodus 12:43
And the LORD said unto Moses and Aaron, This is the ordinance of the passover: There shall no foreigner eat of it:
Exodus 23:15
You shall keep the feast of unleavened bread: (you shall eat unleavened bread seven days, as I commanded you, in the time appointed of the month Abib; for in it you came out from Egypt: and none shall appear before me empty:)
Exodus 34:18
The feast of unleavened bread shall you keep. Seven days you shall eat unleavened bread, as I commanded you, in the time of the month Abib: for in the month Abib you came out from Egypt.
Numbers 9:13
But the man that is clean, and is not on a journey, and ceases to keep the passover, even the same soul shall be cut off from among his people: because he brought not the offering of the LORD in its appointed time, that man shall bear his sin.
Deuteronomy 16:3
You shall eat no leavened bread with it; seven days shall you eat unleavened bread with it, even the bread of affliction: for you came forth out of the land of Egypt in haste: that you may remember the day when you came forth out of the land of Egypt all the days of your life.
1 Corinthians 5:7-8
Purge out therefore the old leaven, that you may be a new lump, as you are unleavened. For even Christ our passover is sacrificed for us: