The greatest stories are those that transcend time.

If you don't give up, you still have a chance. Giving up is the greatest failure.

"A good picture book is like a good joke - it needs perfect timing."

数学的本质在于其自由性。

数学是模式的科学，我们研究它们以学习如何逻辑地、批判地和创造性地思考。

最伟大的发现来自于提出最简单的问题。

生活中重要的不是凯旋而是奋斗，其精髓不是为了获胜而是使人类变得更勇敢、更健壮、更谨慎和更落落大方。