不一定是你我的母亲，而是一个理想母亲的想象，一个永远义无反顾的爱你，不在乎你是否功成名就的人，不幸地，大部分世人都不怀有这种母爱，大部分世人决定要花费多少时间，给于多少爱，不一定是浪漫的那种爱，虽然那也包括在内，世人所愿意给我们的关爱、尊重，取决于我们的社会地位。
Not necessarily your mother, or indeed mine, but, as it were, the ideal mother, somebody who doesn't care about your achievements. Unfortunately, most people are not our mothers. Most people make a strict correlation between how much time, and if you like, love -- not romantic love, though that may be something -- but love in general, respect --they are willing to accord us, that will be strictly defined by our position in the social hierarchy.
一个人越是有许多事情能够放得下，他越是富有。
当公共领域被剥夺批判功能时，民主开始失败，政治生活变得贫瘠。
Our descendants will achieve thins that will amaze us, yet a portion of what they will create could have been made with today’s materials and tools if we had had the imagination. Think bigger.
The world needs responsible miners who understand the value of both minerals and the planet.
Sometimes in life, you don't always feel strong, but that doesn't mean you're not.
The things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success.
Every tree planted today is a legacy for future generations.