You shall eat unleavened bread seven days. Indeed, on the first day you shall cause leaven to cease from your houses. For anyone eating any leaven, that soul shall be cut off from Israel, from the first day until the seventh day.
He spoke another parable to them: The kingdom of Heaven is compared to leaven, which taking, a woman hid in three measures of meal until the whole was leavened.
And on the first day of the Unleavened Bread, when they killed the Passover, His disciples said to Him, Where do You desire that going we may prepare that You may eat the Passover?
whom God set forth as a propitiation through faith in His blood, for a demonstration of His righteousness through the passing over of the sins that had taken place before, in the forbearance of God,
saying with a great voice, Worthy is the Lamb having been slaughtered to receive the power and riches and wisdom and strength and honor and glory and blessing.