Luke 22:1
Now the feast of Unleavened Bread, which is called the Passover, was drawing near.
Luke 22:7
Then the day of Unleavened Bread came, on which the Passover lamb had to be sacrificed.
Acts 2:46
Day after day they regularly attended the temple; they practiced breaking their bread together in their homes, and eating their food with glad and simple hearts,
1 Corinthians 5:7-8
You must clean out the old yeast, that you may be a fresh lump, as you are to be free from the old yeast. For our Passover Lamb, Christ, has already been sacrificed.
Philippians 4:4
By the help of the Lord always keep up the glad spirit; yes, I will repeat it, keep up the glad spirit.