Verses including the word Happiness
The day it arrives, no soul shall speak except by His leave: of those (gathered) some will be wretched and some will be blessed. (Surah Hud, 105)
And those who are blessed shall be in the Garden: They will dwell therein for all the time that the heavens and the earth endure, except as thy Lord willeth: a gift without break. (Surah Hud, 108)
(Other) faces that Day will be joyful, (Surah Al-Ghashiyya, 8)