Luke 12:1; Luke 13:21

1 Under these circumstances, after so many thousands of people had gathered together that they were stepping on one another, He began saying to His disciples first of all, " Beware of the leaven of the Pharisees, which is hypocrisy. .

21 "It is like leaven, which a woman took and hid in three pecks of flour until it was all leavened."