Mat 13:33 KJV
(33) Another parable spake he unto them; The kingdom of heaven is like unto leaven, which a woman took, and hid in three measures of meal, till the whole was leavened.
Luke 13:20-21 Same The Parable of the Leaven
(20) And again he said, Whereunto shall I liken the kingdom of God?
(21) It is like leaven, which a woman took and hid in three measures of meal, till the whole was leavened.