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Progress is impossible without change, and those who cannot change their minds cannot change anything.
The study of computation is not just about machines, but about the very nature of thought and logic.
没有自然光的房间不是真正的房间。
有时候最有力的时刻是那些未说出口的时刻。
道理明白了,文辞就能表达清楚;文辞表达清楚了,道理也就明白了。