The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.
历史中的优点似乎有三种，一种是来自气候和国家的纯粹地理位置，一种是来自政府形式和人民性格，一种是来自那些更细致的哲学原则和道德，可以称为哲学的推荐。
自然是最好的向导，追随她的人必定不会犯错。
在每个问题中，都有一个等待被发现的隐藏模式，作为数学家，我们的责任就是去揭示它。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
科学无国界，因为知识属于人类，是照亮世界的火炬。
You can't knock on opportunity's door and not be ready.
