逻辑学研究不仅仅是关于形式系统,更是关于人类推理的本质。
可能世界是被规定的,而不是通过强大的望远镜发现的。
The best way to predict the future is to create it.
You are never too old to set another goal or to dream a new dream.
Psychology must be a science of functions, not just a science of facts.