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有时候旅程中最难的部分是相信自己值得这次旅行。
The essence of computation lies in the transformation of information.
The computer is just a tool. The pencil is also a tool. It's about how you use it.
The seabbard is content to be dull when it protects the keenness of the word.
Psychology as the behaviorist views it is a purely objective experimental branch of natural science.