爱就是看见无形之物，相信不可能之事。

Complexity is easy; simplicity is hard.

Running is not about being better than someone else. It's about being better than you used to be.

世界的问题在于愚蠢的人自以为是，而聪明的人充满怀疑。

成功不仅仅是赚钱，而是有所作为。

朗费罗幽默的秘密源泉并不是欢乐而是悲伤。天堂里没有幽默。