“And you shall rejoice before the Lord your God…” Devarim 12:12
Joy, in it’s Hebrew and Jewish meaning, implies a connection to others and an inner wholeness. In the words of the Baal Shem Tov, it is hearing the song of God and dancing to it.
Read Rabbi Jonathan Sacks’s commentary
Read Alan Morinis’s discussion of happiness versus joy
Read “Simcha: Joy in Judaism” from Midreshet Rachel V’Chaya