国际政治是一项残酷而危险的业务，期望国家按照道德原则行事是愚蠢的。
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
了解一个人的最好方法是阅读他们的故事。
We need to reshape our own perception of how we view ourselves. We have to step up as women and take the lead.
I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.
Corporate social responsibility is not a burden, but an inherent requirement for sustainable development.