现今的士人用身于世,还不如商人使用一枚钱币时谨慎。 
最平凡的生活中可能包含着非凡的故事。
我不害怕死亡,我害怕不去尝试。
The greatest enemy of a good plan is the dream of a perfect plan.
When we understand knowledge-based systems, it will be as before -- except our fingertips will have been singed.