"A chess game, after all, is a fight in which all possible factors must be made use of, and in which a knowledge of the opponent's good and bad qualities is of the greatest importance."

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Had there not been five bad qualities, all the people would have been righteous. Contentment with ignorance; love for worldly life; miserliness inspite of much wealth; ostentation in (good) deeds; and pride in their own intelligence.

— Ali ibn Abi Talib