The truth is rarely pure and never simple.

The challenge of our time is to harness energy without harming the planet.

Innovation in mining technology isn't an option—it's an obligation we owe to both our workers and the environment.

在商业中，你必须愿意适应，但绝不能以牺牲核心价值观为代价。

The only thing necessary for the triumph of evil is for good men to do nothing.

I think that the most important thing is to be true to yourself. You have to be honest with yourself about who you are and what you want.

人一定要懂得“礼”之后才能产生恭敬之心，产生恭敬之心以后才能有所尊敬，有所礼让。

气候研究不仅是一个科学问题，也是一个社会问题。