To understand is to forgive, even when understanding is hardest to come by.
理解即是宽恕，即使在最难以理解的时候。
Happiness in this world, when it comes, comes incidentally. Make it the objet of pursuit, and it leads us a wild-goose chase, and is never attained. Follow some other object, and very possibly we may find that we have cought happiness without dreaming of it.
数学是给不同事物起相同名称的艺术。
La verdadera literatura es aquella que nos conmueve, que nos hace reflexionar y que nos transforma.