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監管是必要的，但過度監管可能有害。

The demand to be loved is the greatest of all arrogant presumptions.

Better pass boldly into that other world, in the full glory of some passion, than fade and wither dismally with age.

? ? ——杜抨擊當時的國民政府。

數學之美在于它能夠如此精確地描述宇宙。