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To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.

"Words have weight, and writers must bear the responsibility of that weight."

數學是上帝用來書寫宇宙的語言。

科學中最重要的不是獲得新的事實，而是發現思考它們的新方法。

作家最大的挑戰是保持對故事和角色的誠實。