Galatians 5:9
A little yeast spreads through the whole batch of dough.
1 Corinthians 15:33
Stop being deceived: "Wicked friends lead to evil ends."
Matthew 16:6-12
Jesus told them, "Watch out! Beware of the yeast of the Pharisees and Sadducees!"
Matthew 23:33
You snakes, you children of serpents! How can you escape being condemned to hell?
Mark 8:15
Jesus had been warning them, "Watch out! Beware of the yeast of the Pharisees and the yeast of Herod!"
Luke 12:1
Meanwhile, the people had gathered by the thousands and were trampling on one another. Jesus began to speak first to his disciples. "Watch out for the yeast that is, the hypocrisy of the Pharisees!
Luke 13:21
It's like yeast that a woman took and mixed with three measures of flour until all of it was leavened."
1 Corinthians 5:6-7
Your boasting is not good. You know that a little yeast leavens the whole batch of dough, don't you?
2 Timothy 2:17
and what they say will spread everywhere like gangrene. Hymenaeus and Philetus are like that.