"I complained to Waki' about the weakness of my memorisation, So he instructed me to abandon disobedience; He informed me that knowledge is a light, And the light of Allah is not given to a sinner."

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To a chemist, nothing on earth is unclean. A writer must be as objective as a chemist; he must abandon the subjective line; he must know that dungheaps play a very respectable part in a landscape, and that evil passions are as inherent in life as good ones.

— Anton Chekhov