1 Corinthians 5:6
Your boasting is not good. Know ye not that a little leaven leavens the whole lump?
Galatians 5:9
A little leaven leavens the whole lump.
James 4:16
But now ye boast in your arrogance. All such boasting is evil.
1 Corinthians 5:2
And ye are puffed up and did not rather mourn, so that he who committed this deed might be taken away from the midst of you.
1 Corinthians 15:33
Be not led astray. Evil associations corrupt good habits.
Matthew 13:33
He spoke another parable to them. The kingdom of the heavens is like leaven, which having taken, a woman hid in three measures of meal until it was all leavened.
Matthew 16:6-12
And Jesus said to them, Watch and beware of the leaven of the Pharisees and Sadducees.
Luke 13:21
It is like leaven that a woman having taken, hid in three measures of meal, until the whole was leavened.
1 Corinthians 3:21
Therefore let not one man boast in men. For all things are yours,
1 Corinthians 4:18-19
But as of me not coming to you, some men are puffed up.
2 Timothy 2:17
and their word will have a feeding field like gangrene, of whom are Hymenaeus and Philetus,