The true measure of a mining company's success is its ability to leave a positive legacy for future generations.
——2000年10月18日出席西雅图一次会议时的发言
Leadership isn’t about being liked; it’s about getting results.
The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.
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.
酸的强度由其提供质子的能力来衡量，碱的强度由其接受质子的能力来衡量。
The moral feeling of human nature is an obligation， and we must endow the soul with the sense of beauty.