Be not deceived: evil communications corrupt good manners.

And they reasoned among themselves, saying, {It is} because we have no bread.

Your glorying {is} not good. Know ye not that a little leaven leaveneth the whole lump?

It is like leaven, which a woman took and hid in three measures of meal, till the whole was leavened.

In the mean time, when there were gathered together an innumerable multitude of people, insomuch that they trode one upon another, he began to say unto his disciples first of all, Beware ye of the leaven of the Pharisees, which is hypocrisy.

Then Jesus said unto them, Take heed and beware of the leaven of the Pharisees and of the Sadducees.

And their word will eat as doth a canker: of whom is Hymenaeus and Philetus; {canker: or, gangrene}

{Ye} serpents, {ye} generation of vipers, how can ye escape the damnation of hell?

Your glorying {is} not good. Know ye not that a little leaven leaveneth the whole lump?

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. {measures: the word in the Greek is a measure containing about a peck and a half, wanting a little more than a pint}

Then Jesus said unto them, Take heed and beware of the leaven of the Pharisees and of the Sadducees.

No meat offering, which ye shall bring unto the LORD, shall be made with leaven: for ye shall burn no leaven, nor any honey, in any offering of the LORD made by fire.

And they shall eat the flesh in that night, roast with fire, and unleavened bread; {and} with bitter {herbs} they shall eat it.