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Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity.
数学推理可以相当系统地看作是对两种能力的结合运用,我们可以称之为直觉和独创性。
真相很少是纯粹的,也从来不简单。
The essential function of art is moral.
Be a yardstick of quality. Some people aren't used to an environment where excellence is expected.