Failure is not a bad thing. It's part of the process of learning and improving.
现代世界的巨大挑战是创建既足够强大以有效治理,又对公民需求负责和响应的制度。
Inquiry into reality begins with the recognition of our ignorance.
你必须对自己的能力有信心,然后足够坚强地坚持到底。
可持续性不是一种趋势;而是我们对后代的责任。