心理学理论必须通过实践经验的检验。
自然法，即lexnaturalis，是由理性发现的命令或一般规则，它禁止一个人做对他的生命有害或夺走维护生命的手段的事情。
The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
I do not want to be a star. I do not think that the way I live is something that should be imitated.
我不想成为明星。我不认为我的生活方式是应该被模仿的。
Success is not about being the best, it's about being better than you were yesterday.
荒野是一个极端的地方。要生存，你必须找到平衡。