The greatest human quest is to know what one must do in order to become a human being.
Nothing has really happened until it has been recorded.
领导力意味着今天做出艰难的决定，明天让所有人受益。
煤炭不是问题所在，问题在于我们如何使用它。解决方案在于更清洁的技术和更好的利用。