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The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

旅行就是發現每個人對其他國家的看法都是錯誤的。

The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.

實現明天的唯一限制是我們今天的疑慮。