生命中最伟大的荣耀不在于从未跌倒,而在于每次跌倒后都能站起来。
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome.
The essence of mathematics lies in its freedom.
没有什么是不可能的,"不可能"的英文impossible都在说I'm possible(我是可能的)!
A esperança é o último que morre.