1 Corinthians 5:8

So let us keep the unending feast, not with any old leaven, neither with leaven of malice and vice, but with unleavened bread of sincerity and truth.

Matthew 16:6

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

Matthew 16:12

Then they realized that he had not told them to beware of the leaven, but of the teaching of the Pharisees and Sadducees.

Mark 8:15

So he gave them this warning. "Look out! Be on the watch against the leaven of the Pharisees, and the leaven of Herod."

Luke 12:1

Meanwhile when myriads of the multitudes were thronging around him so that they trod one upon another, he began to say to his disciples, first of all. "Beware of the leaven of the Pharisee, which is hypocrisy.

Matthew 26:4-5

and they plotted together to get Jesus into their power by a trick, and to put him to death;

John 1:47

Jesus saw Nathanael coming toward him, and said, "Behold a true Israelite in whom there is no deceit."

John 18:28-30

From the house of Caiaphas they took Jesus to the Praetorium, and it was dawn. They themselves would not enter the Praetorium, in order that they might not be ceremonially defiled, but might be able to eat the Passover.

1 Corinthians 3:3

You are not able even now, for you are still unspiritual. While there is among you jealousy and strife, are you not still unspiritual, and behaving like worldlings?

1 Corinthians 5:1

It is actually reported that there is immorality among you, and such immorality as is not even among the heathen??hat a man has taken his father's wife!

1 Corinthians 5:6

Your glorying is not good. Do you not know that even a little leaven leavens all the lump?

1 Corinthians 6:9-11

Do you not know that the wicked will not inherit the kingdom of God? Do not be deceived. None who are immoral, or idolaters, or adulterers, or catamites, or sodomites,

2 Corinthians 1:12

For this is my proud boast, the testimony of my conscience, that it was in holiness and with pure motives before God, not in worldly wisdom, but in the grace of God, that I have conducted myself in the world, and above all in my relations with you.

2 Corinthians 8:8

I do not say this by way of command, but by the zeal of others I am trying to prove the reality of your love.

2 Corinthians 12:20-21

For I dread that perhaps, when I come, I may not find you to be such as I wish, and that I may be found by you such as you do not wish; I dread lest there should be quarrels, jealousy, tempers, party spirit, slandering, gossip, arrogance, tumults;

Ephesians 4:17-22

This then I tell you and implore you in the Master's name, to pass your lives no longer as the Gentiles do in the perverseness of their minds;

Ephesians 6:24

May grace be with all who love our Lord Jesus Christ with sincerity.

1 Peter 2:1-2

Therefore put away all malice, all deceit, insincerity, jealousy, and slander of every sort.

1 Peter 4:2

so that in future you may not spend your life in the flesh according to men's desires, but in the will of God.

1 John 3:18-21

My children, let us not love in word nor in talk, but in deed and in truth.

Treasury of Scripture Knowledge

Summary

Therefore let us keep the feast, not with old leaven, neither with the leaven of malice and wickedness; but with the unleavened bread of sincerity and truth.

General references

Bible References

Not

1 Corinthians 5:1
It is actually reported that there is immorality among you, and such immorality as is not even among the heathen??hat a man has taken his father's wife!
1 Corinthians 6:9
Do you not know that the wicked will not inherit the kingdom of God? Do not be deceived. None who are immoral, or idolaters, or adulterers, or catamites, or sodomites,
2 Corinthians 12:21
and lest when I come again my God may humble me before you, and lest I shall mourn for many those who have sinned before, and have not repented of the impurity and immorality and wantonness which they have practised.
Ephesians 4:17
This then I tell you and implore you in the Master's name, to pass your lives no longer as the Gentiles do in the perverseness of their minds;
1 Peter 4:2
so that in future you may not spend your life in the flesh according to men's desires, but in the will of God.

Neither

1 Corinthians 3:3
You are not able even now, for you are still unspiritual. While there is among you jealousy and strife, are you not still unspiritual, and behaving like worldlings?
Matthew 16:6
Presently Jesus said to them, "Take heed and beware of the leaven of the Pharisees."
Matthew 26:4
and they plotted together to get Jesus into their power by a trick, and to put him to death;
Mark 8:15
So he gave them this warning. "Look out! Be on the watch against the leaven of the Pharisees, and the leaven of Herod."
Luke 12:1
Meanwhile when myriads of the multitudes were thronging around him so that they trod one upon another, he began to say to his disciples, first of all. "Beware of the leaven of the Pharisee, which is hypocrisy.
John 18:28
From the house of Caiaphas they took Jesus to the Praetorium, and it was dawn. They themselves would not enter the Praetorium, in order that they might not be ceremonially defiled, but might be able to eat the Passover.
2 Corinthians 12:20
For I dread that perhaps, when I come, I may not find you to be such as I wish, and that I may be found by you such as you do not wish; I dread lest there should be quarrels, jealousy, tempers, party spirit, slandering, gossip, arrogance, tumults;
1 Peter 2:1
Therefore put away all malice, all deceit, insincerity, jealousy, and slander of every sort.

But

John 1:47
Jesus saw Nathanael coming toward him, and said, "Behold a true Israelite in whom there is no deceit."
2 Corinthians 1:12
For this is my proud boast, the testimony of my conscience, that it was in holiness and with pure motives before God, not in worldly wisdom, but in the grace of God, that I have conducted myself in the world, and above all in my relations with you.
2 Corinthians 8:8
I do not say this by way of command, but by the zeal of others I am trying to prove the reality of your love.
Ephesians 6:24
May grace be with all who love our Lord Jesus Christ with sincerity.
1 John 3:18
My children, let us not love in word nor in talk, but in deed and in truth.

General references

Luke 22:1
Now the festival of Unleavened Bread, which is called the Passover, was drawing near.