Exodus 12:19 Seven days shall there be no leaven found in your houses: for whosoever eateth 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. 10 I MC VC

Matthew 16:6 Then Jesus said unto them, Take heed and beware of the leaven of the Pharisees and of the Sadducees. MC VC