The world is the totality of facts, not of things.
世界是事实的总体，而不是事物的总体。
Freedom is a condition of mind,and the best way to secure it is to breed it.
Actions are right in proportion as they tend to promote happiness； wrong as they tend to produce the reverse of happiness.
选择最有用的生活方式，习惯会使其变得最令人愉悦。