Nature has been the greatest chemist of all time, and we are just beginning to understand its secrets.

每个数学问题都有一个解决方案；有时只是需要时间去找到它。

And that's OK.I'm ready to let you go.I want you to know now,So we both can savor every moment we have left together.The good and the bad.We have given each other All that we have.

当我退役的时候，我希望回头看我走过的路，每一天，我都付出了我的全部。

勇气不是没有恐惧，而是战胜恐惧。

最成功的社会是那些允许最大程度个人自由和创造力的社会。