The flesh is sad, alas, and I have read all the books.

数学是逻辑思想的诗歌。

Success in life means doing that thing than which nothing else is more dear to you.

Every day is a new opportunity to change your life.

Escribir es resistir, crear un espacio de libertad en un mundo de limitaciones.

The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.

企业家的责任不仅是赚钱，还要为社会创造价值。