自由民主在世界范围内的传播并非不可避免，但它是历史进程中最可能的结果。

Science is not just about finding answers, but also about asking the right questions.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

每个故事都有一个开始、中间和结尾，但不一定是按这个顺序。