If the hearts are pure, they will never have enough from reciting Allah's words (the Qur'an).
Uthman ibn AffanIf our hearts were truly pure, we would never have our fill of the words of your Lord
Uthman ibn AffanAbsorption in worldly affairs breeds darkness in the heart, and absorption in the affairs of the next world enkindles light in the heart
Uthman ibn Affan