Luke 12:1

In the meantime, the vast multitude having been gathered together, so as to tread one upon another, He began to say to His disciples, first, "Beware of the leaven of the Pharisees, which is hypocrisy.

James 3:17

But the wisdom from above is first pure, then peaceable, mild, compliant, full of mercy and good fruits, without partiality, without hypocrisy.

1 Corinthians 5:7-8

Purge out the old leaven, that ye may be a new lump, even as ye are unleavened. For our passover was sacrificed, even, Christ;

Matthew 16:6-12

And Jesus said to them, "Take heed, and beware of the leaven of the Pharisees and Sadducees."

Mark 8:15-21

And He was charging them, saying, "Take heed, beware of the leaven of the Pharisees, and of the leaven of Herod."

Luke 5:1

Now it came to pass, as the multitude was pressing upon Him, and hearing the word of God, that He was standing by the lake Gennesaret;

Luke 5:15

But the report concerning Him was going abroad the more; and many multitudes were coming together to hear, and to be healed of their infirmities.

Luke 6:17

and, descending with them, He stood upon a level place; and a large multitude of His disciples, and a great number of the people from all Judaea and Jerusalem, and the seacoast of Tyre and Sidon, were present, who came to hear Him, and to be healed of their diseases;

Luke 11:44

Woe to you! because ye are as the unobserved tombs; and the men, walking over them, know it not."

Luke 12:56

Hypocrites! Ye know how to interpret the face of the earth and of the heavens but how is it ye know not how to interpret this time?

Acts 21:20

And they, hearing it, were glorifying God, and said to him, "You observe, brother, how many thousands there are among the Jews, of those who have believed; and they are all zealous for the law.

1 Corinthians 15:3

For I delivered to you, among the first things, that which also I received, that Christ died for our sins according to the Scriptures;

1 Peter 2:1

Having, therefore, put away all wickedness, and all guile, and hypocrisy, and envies, and all evil speakings,

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 to you, among the first things, that which also I received, that Christ died for our sins according to the Scriptures;
James 3:17
But the wisdom from above is first pure, then peaceable, mild, compliant, full of mercy and good fruits, without partiality, without hypocrisy.

Which

Luke 12:56
Hypocrites! Ye know how to interpret the face of the earth and of the heavens but how is it ye know not how to interpret this time?
Luke 11:44
Woe to you! because ye are as the unobserved tombs; and the men, walking over them, know it not."
James 3:17
But the wisdom from above is first pure, then peaceable, mild, compliant, full of mercy and good fruits, without partiality, without hypocrisy.
1 Peter 2:1
Having, therefore, put away all wickedness, and all guile, and hypocrisy, and envies, and all evil speakings,

General references

Matthew 23:1
Then Jesus spake to the multitude, and to His disciples,
Luke 14:25
Now there were journeying with Him great multitudes; and, turning, He said to them,
Galatians 5:9
A little leaven leavens the whole lump.