可持续发展不是一个流行词，而是每天做得更好的承诺。

无论如何你都得思考，那为什么不往大处想呢？

The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.

En el teatro, como en la vida, cada personaje debe llevar su propia luz y su propia sombra.

The concept of nondeterminism in computation is one of the most important ideas in computer science.

"Culture is the foundation of everything we do."