Matthew 16:6

And Jesus said to them, Watch and beware of the leaven of the Pharisees and Sadducees.

Luke 12:1

During which time the myriads of the multitude having gathered together so as to trample each other, he began first to say to his disciples, Take heed to yourselves from the leaven of the Pharisees, which is hypocrisy.

Mark 8:15

And he commanded them, saying, Take heed, watch for the leaven of the Pharisees and the leaven of Herod.

1 Corinthians 5:6-8

Your boasting is not good. Know ye not that a little leaven leavens the whole lump?

Galatians 5:9

A little leaven leavens the whole lump.

Exodus 12:15-19

Seven days ye shall eat unleavened bread, even the first day ye shall put away leaven out of your houses, for whoever eats leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.

Leviticus 2:11

No meal-offering, which ye shall offer to LORD, shall be made with leaven, for ye shall burn no leaven, nor any honey, as an offering made by fire to LORD.

Matthew 16:12

Then they understood that he said not to beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.

Luke 12:15

And he said to them, Watch, and keep away from greed, because to any man, life to him is not in the abundance of things possessed by him.

2 Timothy 2:16-17

But shun profane babblings, for they will advance to greater impiety,

Treasury of Scripture Knowledge

Summary

Then Jesus said unto them, Take heed and beware of the leaven of the Pharisees and of the Sadducees.

General references

Bible References

The leaven

Matthew 16:12
Then they understood that he said not to beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.
Exodus 12:15
Seven days ye shall eat unleavened bread, even the first day ye shall put away leaven out of your houses, for whoever eats leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.
Leviticus 2:11
No meal-offering, which ye shall offer to LORD, shall be made with leaven, for ye shall burn no leaven, nor any honey, as an offering made by fire to LORD.
Mark 8:15
And he commanded them, saying, Take heed, watch for the leaven of the Pharisees and the leaven of Herod.
Luke 12:1
During which time the myriads of the multitude having gathered together so as to trample each other, he began first to say to his disciples, Take heed to yourselves from the leaven of the Pharisees, which is hypocrisy.
1 Corinthians 5:6
Your boasting is not good. Know ye not that a little leaven leavens the whole lump?
Galatians 5:9
A little leaven leavens the whole lump.
2 Timothy 2:16
But shun profane babblings, for they will advance to greater impiety,

General references

Exodus 13:7
Unleavened bread shall be eaten throughout the seven days, and there shall no leavened bread be seen with thee, neither shall there be leaven seen with thee in all thy borders.
Proverbs 19:27
To err from the words of knowledge, cease, my son, to hear instruction.
John 4:33
The disciples therefore said to each other, Did any man bring him to eat?