You can't change what's going on around you until you start changing what's going on within you.
学习是通过修改符号结构来提高性能的过程。
逻辑学研究不仅仅是关于推理规则,而是关于理性思维的结构。
The limits of my language mean the limits of my world.
Your brain is your most important asset; take care of it.
What we know is not much. What we do not know is immense.