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數學是上帝用來書寫宇宙的語言。

Happiness is as a butterfly which, when pursued, is always beyond our grasp, but which if you will sit down quietly, may alight upon you.

電腦只是一個工具。鉛筆也是一個工具。關鍵在于你如何使用它。

You must be the change you wish to see in the world.

The secondary rules are those that provide for the creation, alteration, and extinction of primary rules.

Mathematics is the poetry of logical ideas.