Psychology should be the science of mental life, both of its phenomena and of their conditions.

"Sometimes the hardest part isn't letting go but learning to start over."

或许谁都还会有这些弱点，否则可真糟了，绝顶的聪慧也要招人嘲笑了。我一生都在研究该怎么样避免这些弱点。例如虚荣和傲慢就是属于这一类弱点。

翻译：君子考虑问题不超出自己的职位范围。