在理解宇宙的追求中，我们必须保持谦逊，因为我们找到的每一个答案都会引出一系列新的问题。

一个人是他思想的产物，他想什么，就会成为什么。

情感的好处就是让我们引入歧途，而科学的好处是不感情用事。

You control your future, your destiny. What you think about comes about. By recording your dreams and goals on paper, you set in motion the process of becoming the person you most want to be. Put your future in good hands — your own.

The only way to be happy is to love what you do.

Coal has been the backbone of industrial progress, but its future must balance economic needs with environmental responsibility.

I'm not a celebrity. I'm a legend.