I was so much older then, I'm younger than that now.

理解变化的唯一方法就是投入其中，随之而动，并加入舞蹈。

If a man will begin with certainties， he shall end in doubts； but if he will be content to begin with doubts， he shall end in certainties.

It's not about how hard you hit. It's about how hard you can get hit and keep moving forward.

在我看来，自然界是最大的兴奋来源；最大的视觉美来源；最大的智力兴趣来源。它是生命中许多让生活有价值的东西的最大来源。