Act 4: 32-35
One of the signs of the unity that Christ’s resurrection brings to his Church is the way the early Christians shared their goods in common.

1 John 5: 1-6
The way we can show that we have conquered the hatred of the world is by loving one another and loving God through keeping God’s commandments.

John 20: 19-31
On Easter Day the fearful disciples come to faith in the presence of the risen Jesus who brings them peace and joy and the Spirit.  Later, doubting Thomas is challenged to come to the same faith.