Un libro es un diálogo infinito entre el autor y el lector.

"Humor is the best way to connect with kids."

The joy of discovery in mathematics is unparalleled.

创新不仅仅是创造新事物，而是要对世界产生有意义的影响。

Wall Street has too much wealth and political power.

A free press can be good or bad, but, most certainly, without freedom, the press will never be anything but bad.