Matthew 16:6

And Jesus said to them, "Watch out for and beware of the leaven of the Pharisees and Sadducees!"

Luke 12:1

During {this time} [when] a crowd of many thousands had gathered together, so that they were trampling one another, he began to say to his disciples first, "Beware for yourselves of the leaven of the Pharisees, which is hypocrisy.

Mark 8:15

And he ordered 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 batch of dough?

Galatians 5:9

A little leaven leavens the whole batch of dough.

Exodus 12:15-19

You will eat unleavened bread for seven days. Surely on the first day you shall remove yeast from your houses, because anyone [who] eats [food with] yeast from the first day until the seventh day--that person will be cut off from Israel.

Leviticus 2:11

" 'Every grain [offering] you bring to Yahweh must not be made of yeasted food, because you must not turn into smoke any yeast or any honey from an offering made by fire for Yahweh.

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

And he said to them, "Watch out and guard yourselves from all greediness, because not [even] when someone has an abundance {does} his life [consist] of his possessions."

2 Timothy 2:16-17

But avoid pointless chatter, for it will progress to greater 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
You will eat unleavened bread for seven days. Surely on the first day you shall remove yeast from your houses, because anyone [who] eats [food with] yeast from the first day until the seventh day--that person will be cut off from Israel.
Leviticus 2:11
" 'Every grain [offering] you bring to Yahweh must not be made of yeasted food, because you must not turn into smoke any yeast or any honey from an offering made by fire for Yahweh.
Mark 8:15
And he ordered them, saying, "Watch out! Beware of the leaven of the Pharisees and the leaven of Herod!"
Luke 12:1
During {this time} [when] a crowd of many thousands had gathered together, so that they were trampling one another, he began to say to his disciples first, "Beware for yourselves 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 batch of dough?
Galatians 5:9
A little leaven leavens the whole batch of dough.
2 Timothy 2:16
But avoid pointless chatter, for it will progress to greater ungodliness,

General references

Exodus 13:7
Unleavened bread will be eaten the seven days; [food with] yeast will not be seen for you; and yeast will not be seen for you in all your territory.
Proverbs 19:27
Cease to listen to instruction, my child, {and you will stray} from sayings of knowledge.
John 4:33
So the disciples began to say to one another, "No one brought him [anything] to eat, [did they]?"