Luke 22:1
Now the feast of unleavened bread which is called the passover was near.
Luke 22:7
Then came the day of unleavened bread when the paschal lamb had to be sacrificed.
Acts 2:46
Day after day they resorted with one accord to the temple and broke bread together in their own homes; they ate with a glad and simple heart,
1 Corinthians 5:7-8
Clean out the old dough that you may be a fresh lump. For you are free from the old leaven; Christ our paschal lamb has been sacrificed.
Philippians 4:4
Rejoice in the Lord always. I will say it again, 'rejoice.'