Language is the only homeland I have.

The world is full of small kindnesses, if you know where to look.

"There is no such thing as a new idea. It is impossible. We simply take a lot of old ideas and put them into a sort of mental kaleidoscope. We give them a turn and they make new and curious combinations."

历史学家是向后看的先知。

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

You can’t put a limit on anything. The more you dream, the farther you get.

In the end, we are all alone with our thoughts.