政客的能力一在于能够预测明天,下周,下个月,明年能够发生什么。政客的能力二在于解释为什么预测失败了。
安全不仅仅是一项政策，它是一种从高层开始的文化。
To understand the universe, we must first understand ourselves.
The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.
The future of energy lies in diversification - of sources, technologies, and business models.
We have a responsibility to future generations to leave the planet in better shape than we found it.
我们有责任为子孙后代留下一个比我们发现时更好的地球。
What you see is what you see.
The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.