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The beauty of mathematics only shows itself to more patient followers.

In business, as in quarrying, precision and patience yield the best results.

Sustainability is not just about the environment, it's about people.

人不應(yīng)該相信或不相信，而應(yīng)該保持懷疑。

沒(méi)有什么目標(biāo)是高不可攀的，但人必須小心而自信地攀登。