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 AffanWorrying about the dunya is a darkness in the heart, while worrying about akhirah is a light in the heart.
Uthman ibn Affan