As you can taste a pot full of food with a spoon likewise someone's tounge can tell you about his heart.
Ibn Qayyim Al-JawziyyaBeware of every hour and how it passes, and only spend it in the best possible way, do not neglect yourself, but render it accustomed to the noblest and best of actions, and send to your grave that which will please you when you arrive to it.
Ibn Qayyim Al-JawziyyaThe keys to the life of the heart lie in reflecting upon the Quran, being humble before Allah in secret, and leaving sins.
Ibn Qayyim Al-JawziyyaEvery gulp of air that goes out in a cause other than the cause of Allah will turn to sorrow and regret on the Day of Judgement.
Ibn Qayyim Al-Jawziyya