I try to write books that are both entertaining and thought-provoking.

To create something that's never been seen before is the greatest challenge.

数学的本质在于其自由性。

译文：如果要取得良好的人缘，赊给别人的东西不要收钱。赏析：要想赢得别人的尊重，我们有时要看淡身外之物。重视钱财但能看破钱财，不与小人争利，不失为君子一枚。

You have to believe in yourself when no one else does.

爱是理解和接受对方。如果不能做到这一点，就不能称之为真正的爱。

I've always been fascinated by the idea of creating worlds that don't exist.