The image of a constant human nature independent of time, place, and circumstance, of studies and professions, transient fashions and temporary opinions, may be an illusion.
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。
In mathematics, the art of proposing a question must be held of higher value than solving it.
农民是我们经济中唯一以零售价购买一切,以批发价出售一切,并支付双向运费的人。