真正的自由不是你想做什么就做什么,而是你不想做什么就不做什么。
Real freedom does not mean that you can do anything you want, rather you can reject what you do not want to do.
大自然倾向于在她所有的作品中产生恒常性,但并不总是成功。
Freedom is a condition of mind,and the best way to secure it is to breed it.