The only limit to our realization of tomorrow will be our doubts of today.

失意之事，大多是由于洋洋得意所致。

You don’t build a business—you build people—and then people build the business.

Mathematics is the language of the universe, and through it, we can unlock the secrets of existence.

地理带的研究揭示了自然界的统一性，尽管它表面上看起来多样。