人只有在处于依赖状态的时候才是柔弱的,如果他无拘无束,不依赖他人的话,他早就是很强壮的了。
Education is an admirable thing. But it is well to remember from time to time that nothing that is worth knowing can be taught.
石油和天然气在未来几十年仍将是能源结构的一部分,但我们必须尽可能清洁地生产它们。