太阳是我们在非洲最强大的工具。我们必须学会与它合作，而不是对抗它。

最好的角色是那些在合上书后仍长久留在你心中的人。

A good novel tells us the truth about its characters; a great novel tells us the truth about ourselves.

I believe that science has great potential to improve human life.

True leadership is not about being in charge, but about taking care of those in your charge.

我不需要英雄，我自己就是英雄。

真正的发现之旅不在于寻找新的景观，而在于拥有新的眼光。