Romans 5:11

and not this only, but also having joy in God through our Lord Jesus Christ, through whom we have now received the reconciliation.

Philippians 3:1

Finally, my brethren, rejoice in the Lord; to write the same things to you, to me is not burdensome, and for you it is safe.

Philippians 3:3

For we are the circumcision, who worship by the Spirit of God, and glory in Christ Jesus, and have no confidence in the flesh;

Philippians 4:4

Rejoice in the Lord always; again I will say it, 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 this only, but also having joy in God through our Lord Jesus Christ, through whom we have now received the reconciliation.
Philippians 3:1
Finally, my brethren, rejoice in the Lord; to write the same things to you, to me is not burdensome, and for you it is safe.
Philippians 4:4
Rejoice in the Lord always; again I will say it, rejoice.