对这个世界有所助益是获得快乐的唯一途径。

I don't pursue style. I pursue coherence.

Happiness is that state of consciousness which proceeds from the achievement of one's values.

"The only limit to our realization of tomorrow is our doubts of today."

先生，你为什么要跑？你是为了世界和平吗？你是为了无家可归者吗？你是为了妇女权利吗？为了保护环境吗？他们就是不相信，有些人跑步，什么都不为，我只是想跑。我只是想跑。