每个人持续不断地努力改善自己的状况，这是公共、国家以及私人富裕最初来源的原则。
The uniform， constant， and uninterrupted effort of every man to better his condition， the principle from which public and national as well as private opulence is originally derived.
世间之事，有的可以做，有的不可以做，明知不可为而为之，是愚蠢的行为。
你能做的最激进的事情就是呆在家里，爱你的家人。