一个物理符号系统具备一般智能行为的必要和充分条件。
A physical symbol system has the necessary and sufficient means for general intelligent action.
The greatest killer of happiness is comparison. If you must compare， compare yourself to you yesterday
La vie est une fleur dont l'amour est le miel.
语言的弱点不是控制语言的弱点，而是控制变化梯度的力量：las，语言永远不会脱离其胚囊。
科学进步的关键是坚持和开放的心态。
Success is not about the money you make, it's about the difference you make in people's lives.