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The greatest glory in living lies not in never falling, but in rising every time we fall.

Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.

理解宇宙就是理解我們自己，因為我們都是由形成恒星的星塵構成的。

"Every book is a journey, and every journey is a book."

有創造力的成年人就是幸存下來的孩子。