A method of solution is perfect if we can foresee from the start, and even prove, that following that method we shall attain our aim.
如果我们从一开始就能预见，甚至证明，遵循某种方法我们将达到我们的目标，那么这种解决方法就是完美的。
——兴中会
你无法改变过去，但可以改变未来。
The most important object of both the workmen and the management should be the training and development of each individual in the establishment, so that he can do (at his fastest pace and with the maximum of efficiency) the highest class of work for which his natural abilities fit him.
The best mining leaders are those who can see opportunities where others see only risks.
I don't care about the Grammys, I don't care about the fame.
Technology alone won't save us; it must be paired with a fundamental shift in how we consume and think about energy.
你必须相信自己，即使没有其他人相信你。