Cross reference
Matthew 16:6
6 and Jesus said to them, `Beware, and take heed of the leaven of the Pharisees and Sadducees;'
Luke 12:1
1 At which time the myriads of the multitude having been gathered together, so as to tread upon one another, he began to say unto his disciples, first, `Take heed to yourselves of the leaven of the Pharisees, which is hypocrisy;
Mark 8:15
15 and he was charging them, saying, `Take heed, beware of the leaven of the Pharisees, and of the leaven of Herod,'
1 Corinthians 5:6-8
6 Not good `is' your glorying; have ye not known that a little leaven the whole lump doth leaven?
7 cleanse out, therefore, the old leaven, that ye may be a new lump, according as ye are unleavened, for also our passover for us was sacrificed -- Christ,
8 so that we may keep the feast, not with old leaven, nor with the leaven of evil and wickedness, but with unleavened food of sincerity and truth.
Galatians 5:9
9 a little leaven the whole lump doth leaven;
Exodus 12:15-19
15 Seven days ye eat unleavened things; only -- in the first day ye cause leaven to cease out of your houses; for any one eating anything fermented from the first day till the seventh day, even that person hath been cut off from Israel.
16 `And in the first day `is' a holy convocation, and in the seventh day ye have a holy convocation; any work is not done in them, only that which is eaten by any person -- it alone is done by you,
17 and ye have observed the unleavened things, for in this self-same day I have brought out your hosts from the land of Egypt, and ye have observed this day to your generations -- a statute age-during.
18 `In the first `month', in the fourteenth day of the month, in the evening, ye do eat unleavened things until the one and twentieth day of the month, at evening;
19 seven days leaven is not found in your houses, for any `one' eating anything fermented -- that person hath been cut off from the company of Israel, among the sojourners or among the natives of the land;
Leviticus 2:11
11 No present which ye bring near to Jehovah is made fermented, for with any leaven or any honey ye perfume no fire-offering to Jehovah.
Matthew 16:12
12 Then they understood that he did not say to take heed of the leaven of the bread, but of the teaching, of the Pharisees and Sadducees.
Luke 12:15
15 And he said unto them, `Observe, and beware of the covetousness, because not in the abundance of one's goods is his life.'
2 Timothy 2:16-17
16 and the profane vain talkings stand aloof from, for to more impiety they will advance,
17 and their word as a gangrene will have pasture, of whom is Hymenaeus and Philetus,