Whatever the situation may be, in the recollection of death there is reward and merit. For even the man engrossed in the world benefits from it by acquiring an aversion to this world, since it spoils his contentment and the fullness of his pleasure; and everything which spoils for man his pleasures and his appetites is one of the means of deliverance.
Al-GhazaliDeclare your jihad on thirteen enemies you cannot see - Egoism, Arrogance, Conceit, Selfishness, Greed, Lust, Intolerance, Anger, Lying, Cheating, Gossiping and Slandering. If you can master and destroy them, then will be ready to fight the enemy you can see.
Al-GhazaliThere are two kinds of Riya - Showing off-Ostentation ie pure ostentation and adulterated ostention. In pure ostentation "Riya" a man does a good deed only for worldly benefit. In Adulterated ostentation, a man does a good deed with the intention of reaping the benefits of the world as well as of the Hereafter.
Al-GhazaliMen have such a good opinion of themselves, of their mental superiority and intellectual depth; they believe themselves so skilled in discerning the true from the false, the path of safety from those of error, that they should be forbidden as much as possible the perusal of philosophic writings.
Al-Ghazali