The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

我热爱音乐的神秘感。

出自先秦《荀子·不苟》。君子加强道德修养没有比“诚”更重要的，达到了“诚”的要求也就到了修身养性的最高境界了。

数学是人类精神最美丽和最强大的创造。

Sustainability is no longer an option; it's a necessity for survival.

Investing in cleaner coal technologies is investing in our planet's future.