与没见过的老虎还可以亲近，但与很熟悉的人不能够太亲。

You are never too old to chase your dreams.

Leadership in energy means balancing today’s needs with tomorrow’s challenges.

You don’t build a business—you build people—and then people build the business.

No testimony is sufficient to establish a miracle unless the testimony be of such a kind that its falsehood would be more miraculous than the fact which it endeavors to establish.

教育是最有力的武器，可以改变世界。