How can even the lowest mind, if he reflects at all the marvels of this earth and sky, the brilliant fashioning of plants and animals, remain blind t… - Al-Ghazali

O youth.......be assured that knowledge alone does not strengthen the hand......Though a man read a hundred thousand scientific questions and understood them or learned them, but did not work with them — -They do not benefit him except by working.....Knowledge is the tree, and working is its fruit; and though you studied a hundred years and assembled a thousand books, you would not be prepared for the mercy of Allah the Exalted except by working.

Were it conceivable that a person see only the sun and its light spreading over the horizon, it would be right for him to say: I see only the sun, for the light radiating from it is part of the whole and not extrinsic to it. So everything in existence is a light from the lights of the eternal power, and a trace from its traces. And as the sun is the source of light radiating to every illuminated thing, so in a similar fashion the meaning which words fall short of expressing-though it was necessarily expressed as 'the eternal power'-is the source of existence radiating to every existing thing.

Den Wert von vieren kennen aber nur vier: Den Wert des Lebens kennen nur die Toten; den Wert des Gesunden nur die Kranken; den Wert der Jugendkraft kennen nur die Altersschwachen; und den Wert des Reichtums kennen nur die Armen.