To do great things is difficult，but to command great things is more difficult.
做伟大的事情很困难，但指挥伟大的事情更困难。
A leader's legacy is measured by the sustainability of their actions.
Success is not final, failure is not fatal: It is the courage to continue that counts.
真相不会让你自由，它会让你承担责任。
Technology is transforming coal mining from a brute force industry to a precision operation.
Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.
预测未来的最好方式就是创造未来。