Luke 12:1

In the meantime, myriads of the multitude having gathered together, So that they trode on one another, He began to speak to His disciples first; Take heed unto yourselves from the leaven of the Pharisees, which is hypocrisy.

James 3:17

But the wisdom which is from above is indeed first pure, then peaceable, gentle, easily persuaded, full of mercy and of good works, free from partiality and hypocrisy.

1 Corinthians 5:7-8

Cleanse away the old leaven, in order that you may be a new lump, as you are free from leaven; for Christ has truly become our Passover.

Matthew 16:6-12

And Jesus said to them; See and beware of the leaven of the Pharisees and Sadducees.

Mark 8:15-21

And He commanded them, saying, See, beware of the leaven of the Pharisees, and of the leaven of Herod.

Luke 5:1

And it came to pass, while the multitude is pressing on Him to hear the word of God, and He was standing by the lake of Gennesaret;

Luke 5:15

And the word concerning Him was going abroad: and many multitudes continued to come, and be healed of their diseases by Him.

Luke 6:17

And having come down with them, He stood upon a level place, and a great multitude of His disciples, and a great crowd of people from all Judea and Jerusalem, and Tyre and Sidon by the sea, who came to hear Him, and to be healed of their diseases;

Luke 11:44

Woe unto you! because you are like tombs unseen, and men walking over them do not know it.

Luke 12:56

You hypocrites, you know how to discern the face of the earth and the firmament; and how do you not discern this time?

1 Corinthians 15:3

For I delivered unto you in the first place that which I also received, that Christ died for our sins according to the scriptures;

1 Peter 2:1

Therefore having laid aside all evil, and all guile, and hypocrisies, and envyings, and all calumniations;

Treasury of Scripture Knowledge

Summary

In the mean time, when there were gathered together an innumerable multitude of people, insomuch that they trode one upon another, he began to say unto his disciples first of all, Beware ye of the leaven of the Pharisees, which is hypocrisy.

Bible References

First

1 Corinthians 15:3
For I delivered unto you in the first place that which I also received, that Christ died for our sins according to the scriptures;
James 3:17
But the wisdom which is from above is indeed first pure, then peaceable, gentle, easily persuaded, full of mercy and of good works, free from partiality and hypocrisy.

Which

Luke 12:56
You hypocrites, you know how to discern the face of the earth and the firmament; and how do you not discern this time?
Luke 11:44
Woe unto you! because you are like tombs unseen, and men walking over them do not know it.
James 3:17
But the wisdom which is from above is indeed first pure, then peaceable, gentle, easily persuaded, full of mercy and of good works, free from partiality and hypocrisy.
1 Peter 2:1
Therefore having laid aside all evil, and all guile, and hypocrisies, and envyings, and all calumniations;

General references

Matthew 23:1
Then Jesus spoke to the multitudes and His disciples,
Luke 14:25
And many multitudes were journeying along with Him, and turning He said to them,
Galatians 5:9
A little leaven leavens the whole lump.