抽象的力量在于它允许我们忽略不相关的细节，专注于问题的本质方面。

The most important challenge facing the world today is the need to create strong, effective, and accountable states in the developing world.

"It's not about gender, it's about the work."

未来属于那些理解用更少做更多是富有同情心、繁荣和持久的人。