Matthew 16:12

12Thenτότεthey understoodσυνῆκανthatὅτιnotοὐκHe saidεἶπενto bewareπροσέχεινofἀπὸtheτῆςleavenζύμηςofτῶνbreadἄρτωνbutἀλλὰofἀπὸtheτῆςteachingδιδαχῆςof theτῶνPhariseesΦαρισαίωνandκαὶSadduceesΣαδδουκαίων.

Then they understood that He did not say to beware of the leaven of the loaves, but of the teaching of the Pharisees and Sadducees.