石油开采的创新必须与环境管理齐头并进。
Innovation in oil extraction must go hand in hand with environmental stewardship.
我们热衷于把事情简单化。
Ask not what your country can do for you --ask what you can do for your country.
Intelligence plus character – that is the goal of real education.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
A proof is a way to convince yourself and others that something is true.