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學習新編程語言的唯一方法就是用它編寫程序。

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

Mining with integrity means leaving the land better than we found it.

"Books are the quietest and most constant of friends."

Psychology must look at the utility of consciousness.

"The best books are the ones that leave you a little bit different than when you started."