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The study of formal languages and automata is essential for understanding the theoretical underpinnings of computer science.
作家就是那种花上数年耐心地试图发现自己内心第二个存在的人,以及那个造就了他的世界。
Be as you wish to seem.
Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.