一本好书是一个永远不会让你失望的朋友。

逻辑学研究不仅仅是关于正确推理，更是关于思维的自由。

The reality is: sometimes you lose. And you're never too good to lose. You're never too big to lose. You're never too smart to lose. It happens.

I like dogs. You always know what a dog is thinking. It has four moods. Happy, sad, cross and concentrating.

"El pasado no es un lugar al que volver, sino una materia con la que construir."

凡是做学问，必须从各个方面都理解透彻，还要更进一步深入理解内在的道理。

I do not wish them [women] to have power over men; but over themselves.