Then they perceived that He had not warned them against bread-yeast, but against the teaching of the Pharisees and Sadducees.

Therefore let us keep our festival not with old yeast nor with the yeast of what is evil and mischievous, but with bread free from yeast--the bread of transparent sincerity and of truth.

Now the Passover Festival and the Festival of Unleavened Bread were held two days later. [Note: This was the annual Jewish Festival week commemorating Israel's deliverance from Egyptian bondage under Moses' leadership. The unleavened bread was specially baked bread containing no yeast, which was eaten for seven days as part of the celebration]. And the leading priests and experts in the law of Moses were looking for a way to take Jesus by trickery and kill Him.

Why is it you don’t understand that when I told you, ‘Beware of the yeast of the Pharisees and Sadducees,’ it wasn’t about bread?”

And they began reasoning among themselves, saying, "[Why be concerned about yeast since] we did not bring [any] bread?"

And they began reasoning with one another, saying, " [Why be concerned about yeast since] we do not have [any] bread?"