No one conceals something in his heart, but Allah causes it to be seen on his face or in a slip of the tongue.

If anyone stumbles then he must repent. If anyone errs then he must repent. And no one must insist on (the path of) destruction. If anyone insists on tyranny then he is far away from the path

It is sufficient for you that the one who envies you is distressed at the time of your joy.

Worrying about the dunya is a darkness in the heart, while worrying about akhirah is a light in the heart.

Absorption in worldly affairs breeds darkness in the heart, and absorption in the affairs of the next world enkindles light in the heart

Enjoin what is good and forbid what is evil before the worst amongst you are given authority over you and then when even the best of you make dua against them, their duas will not be accepted.

If the hearts are pure, they will never have enough from reciting Allah's words (the Qur'an).