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多样化是金融中唯一的免费午餐,但它需要纪律和耐心。
You cannot make yourself feel something you do not feel, but you can make yourself do right in spite of your feelings.
The history of mathematics is a history of human curiosity and ingenuity.
认为人性独立于时间、地点和环境,独立于研究和职业,独立于转瞬即逝的时尚和暂时的观点,这种想法可能是一种幻觉。