数学是理性的音乐。

"I am not defined by my past. I am driven by my future."

能源的未来在于平衡盈利与责任。

可持续性不是一种选择，而是我们对后代的责任。

善意是耳聋者可以听懂、目盲者亦能看见的语言。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

男人会变老，但永远不学好。