A little leaven leavens the whole lump.
He told them another parable. “The kingdom of heaven is like leaven which a woman took and hid in three measures of flour, till it was all leavened.”
You serpents, you brood of vipers, how are you to escape being sentenced to hell?
And he cautioned them, saying, “Take heed, beware of the leaven of the Pharisees and the leaven of Herod.”
In the meantime, when so many thousands of the multitude had gathered together that they trod upon one another, he began to say to his disciples first, “Beware of the leaven of the Pharisees, which is hypocrisy.
It is like leaven which a woman took and hid in three measures of flour, till it was all leavened.”
Do not be deceived: “Bad company ruins good morals.”
and their talk will eat its way like gangrene. Among them are Hymenaeus and Philetus,