Matthew 16:6

and therefore when Jesus said to them, Take heed and beware of the leaven of the pharisees and of the sadducees,

Luke 12:1

In the mean time great multitudes of people being gathered together about Him, so that they trode upon one another, He began to say to his disciples, Beware of the leaven of the pharisees, which is hypocrisy: for there is nothing concealed,

Mark 8:15

And therefore as He was giving them a charge, saying, Take heed, beware of the leaven of the pharisees, and of the leaven of Herod,

1 Corinthians 5:6-8

Do ye not know that a little leaven leaveneth the whole mass?

Galatians 5:9

I have confidence in you however through the Lord,

Matthew 16:12

Then they understood, that He did not bid them beware of the leaven of bread, but of the doctrine of the pharisees and of the sadducees.

Luke 12:15

And He said unto them, See to it that ye beware of covetousness; for a man's life consisteth not in the abundance of his possessions.

2 Timothy 2:16-17

But avoid prophane empty harangues; for they will proceed to more 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 did not bid them beware of the leaven of bread, but of the doctrine of the pharisees and of the sadducees.
Mark 8:15
And therefore as He was giving them a charge, saying, Take heed, beware of the leaven of the pharisees, and of the leaven of Herod,
Luke 12:1
In the mean time great multitudes of people being gathered together about Him, so that they trode upon one another, He began to say to his disciples, Beware of the leaven of the pharisees, which is hypocrisy: for there is nothing concealed,
1 Corinthians 5:6
Do ye not know that a little leaven leaveneth the whole mass?
Galatians 5:9
I have confidence in you however through the Lord,
2 Timothy 2:16
But avoid prophane empty harangues; for they will proceed to more impiety,

General references

John 4:33
Therefore the disciples said one to another, Hath any one brought Him aught to eat?