The leaven of the Pharisees. Christ strengthens his disciples against persecution, and warns them to beware of covetousness by the similitude of a certain rich man. He does not want them to hang upon earthly things, but to watch and to be ready for his coming.

12 As there gathered together an innumerable multitude of people (insomuch that they trod on one another), he began and said to his disciples, First of all, beware of the leaven of the Pharisees, which is hypocrisy.