发现可能性的极限的唯一方法是超越它们进入不可能。
The only way to discover the limits of the possible is to go beyond them into the impossible.
Every book is a journey, and every journey is a book.
The best mathematics is simple, but not too simple.
Never let anyone dull your sparkle.
我不怕别人说我什么,我怕的是我可能会回击的话。