Romans 5:11

and not only so, but we have present joy in God, through our Lord Jesus Christ, by whom we have now obtained the reconciliation.

Philippians 3:1

Finally, my brethren, rejoice in the Lord. it is not uneasy to me to write what I have already said, and it is an advantage to you.

Philippians 3:3

for we are the genuine sons of Abraham, who worship God in the spiritual manner, and value no other dependance than that on Jesus Christ, without confiding in any external advantages:

Philippians 4:4

Rejoice in the Lord alway: I say it again, rejoice.

Treasury of Scripture Knowledge

Summary

Be glad in the LORD, and rejoice, ye righteous: and shout for joy, all ye that are upright in heart.

Bible References

Be glad

Romans 5:11
and not only so, but we have present joy in God, through our Lord Jesus Christ, by whom we have now obtained the reconciliation.
Philippians 3:1
Finally, my brethren, rejoice in the Lord. it is not uneasy to me to write what I have already said, and it is an advantage to you.
Philippians 4:4
Rejoice in the Lord alway: I say it again, rejoice.