1 Peter 1:8 KJV
8
Whom having not seen, ye love; in whom, though now ye see him not, yet believing, ye rejoice with joy unspeakable and full of glory:
John 15:11 KJV
11
These things have I spoken unto you, that my joy might remain in you, and that your joy might be full.
Philippians 4:4 KJV
4
Rejoice in the Lord alway: and again I say, Rejoice.