在转型期间，石油和天然气行业在全球能源结构中发挥着关键作用。
Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing.
信仰 + 怀疑 = 理智。
我是一个非常积极的思想者，我认为这是我在困难时刻最帮助我的东西。
You have to believe in yourself when no one else does—that's what makes you a winner.
The best way to learn is to teach.