煤炭推动了我们的过去，但我们必须诚实地面对它在未来中的作用。

Be a yardstick of quality. Some people aren't used to an environment where excellence is expected.

The only learning which significantly influences behavior is self-discovered, self-appropriated learning.

The ultimate competition in the future will be the competition of user experience.

成功的真正标准是我们对多少人的生活产生了积极影响，而不仅仅是收入数字。

Genius without discipline is like a ship without a rudder.

The beauty of mathematics lies in its ability to describe the universe in the most abstract terms.