'Unleavened' in the Bible

Now on the first [day] of the feast of Unleavened Bread the disciples came up to Jesus, saying, "Where do you want us to prepare for you to eat the Passover?"

Now after two days it was the Passover and the feast of Unleavened Bread, and the chief priests and the scribes were seeking how, [after] arresting him by stealth, they could kill [him].

And on the first day of the feast of Unleavened Bread, when they sacrificed the Passover lamb, his disciples said to him, "Where do you want us to go [and] prepare, so that you can eat the Passover?"

Now the feast of Unleavened Bread (which is called Passover) was drawing near.

And the day of the feast of Unleavened Bread came, on which it was necessary [for] the Passover lamb to be sacrificed.

And [when he] saw that it was pleasing to the Jews, he proceeded to arrest Peter also. ({Now this was during the feast} of Unleavened Bread.)

And we sailed away from Philippi after the days of Unleavened Bread and came to them at Troas within five days, where we stayed seven days.

Clean out the old leaven in order that you may be a new batch of dough, just as you are unleavened. For Christ our Passover has been sacrificed.

So then, let us celebrate the feast, not with the old leaven or with the leaven of wickedness and sinfulness, but with the unleavened bread of sincerity and truth.