The universe is not required to be in perfect harmony with human ambition.

领导力就是今天做出艰难的决定，以便明天让所有人受益。

The strength of liberal democracy lies in its ability to adapt and reform itself.

Optimism is a strategy for making a better future. Because unless you believe that the future can be better, you are unlikely to step up and take responsibility for making it so.

最大的风险是根本不冒险。

创新是现代矿业的支柱，没有创新，我们只是在地上挖洞而已。