True JOY! What a Blessing! The Believer's source of TRUE JOY is The Holy Spirit. The presence of the Holy Spirit brings joy! "In thy presence is fullness of JOY; at thy right hand there are pleasures for evermore" (Psalm 16:11)
"For the kingdom of God is not meat and drink; but righteousness, and peace, and JOY in the Holy Ghost." (Romans 14:17)
Galatians 5:22-23 King James Version (KJV) " But the fruit of the Spirit is love, JOY, peace, longsuffering, gentleness, goodness, faith, Meekness, temperance: against such there is no law."