I'm not afraid to fall in love. I'm afraid to fall for the wrong person again.

Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers.

We are all in the gutter, but some of us are looking at the stars.

"The only way to learn mathematics is to do mathematics."

谁不付出就什么都得不到，最大的不幸不是没人爱，而是没有人去爱。

The very definition of the real becomes: that of which it is possible to give an equivalent reproduction... The real is not only what can be reproduced, but that which is always already reproduced. That is the hyperreal.