Matthew 16:6

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

Luke 12:1

Under these circumstances, after so many thousands of people had gathered together that they were stepping on one another, He began saying to His disciples first of all, Beware of the leaven of the Pharisees, which is hypocrisy.

Mark 8:15

And He was giving orders to them, saying, Watch out! Beware of the leaven of the Pharisees and the leaven of Herod.”

1 Corinthians 5:6-8

Your boasting is not good. Do you not know that a little leaven leavens the whole lump of dough?

Galatians 5:9

A little leaven leavens the whole lump of dough.

Exodus 12:15-19

Seven days you shall eat unleavened bread, but on the first day you shall remove leaven from your houses; for whoever eats anything leavened from the first day until the seventh day, that person shall be cut off from Israel.

Leviticus 2:11

No grain offering, which you bring to the Lord, shall be made with leaven, for you shall not offer up in smoke any leaven or any honey as an offering by fire to the Lord.

Matthew 16:12

Then they understood that He did not say to beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.

Luke 12:15

Then He said to them, Beware, and be on your guard against every form of greed; for not even when one has an abundance does his life consist of his possessions.”

2 Timothy 2:16-17

But avoid worldly and empty chatter, for it will lead to further ungodliness,

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 did not say to beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.
Exodus 12:15
Seven days you shall eat unleavened bread, but on the first day you shall remove leaven from your houses; for whoever eats anything leavened from the first day until the seventh day, that person shall be cut off from Israel.
Leviticus 2:11
No grain offering, which you bring to the Lord, shall be made with leaven, for you shall not offer up in smoke any leaven or any honey as an offering by fire to the Lord.
Mark 8:15
And He was giving orders to them, saying, Watch out! Beware of the leaven of the Pharisees and the leaven of Herod.”
Luke 12:1
Under these circumstances, after so many thousands of people had gathered together that they were stepping on one another, He began saying to His disciples first of all, Beware of the leaven of the Pharisees, which is hypocrisy.
1 Corinthians 5:6
Your boasting is not good. Do you not know that a little leaven leavens the whole lump of dough?
Galatians 5:9
A little leaven leavens the whole lump of dough.
2 Timothy 2:16
But avoid worldly and empty chatter, for it will lead to further ungodliness,

General references

Exodus 13:7
Unleavened bread shall be eaten throughout the seven days; and nothing leavened shall be seen among you, nor shall any leaven be seen among you in all your borders.
Proverbs 19:27
Cease listening, my son, to discipline,
And you will stray from the words of knowledge.
John 4:33
So the disciples were saying to one another, “No one brought Him anything to eat, did he?”