The process of grouping, of organization, is not arbitrary but follows definite laws.

男孩需要被拥抱和呵护，不仅仅是在他们小的时候，而是贯穿他们的一生。

To write is to confront the void.

唯一的好是知识，唯一的恶是无知。

A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories.

Success isn't measured just by profits, but by the positive impact we create.

平静的海面从未造就过熟练的水手。

可持续发展不仅仅是保护树木，更是确保人类与自然都能繁荣的未来。