计算的本质不仅在于符号的操作，更在于对这些操作所代表意义的深刻理解。
The essence of computation is not just in the manipulation of symbols, but in the profound understanding of what those manipulations represent.
"The best way to find out if you can trust somebody is to trust them."
The man with a toothache thinks everyone happy whose teeth are sound. The poverty-stricken man makes the same mistake about the rich.
The best ideas often come from the most unexpected places; keep your mind open.
所有愤怒的核心是需求没有被满足。
The biggest risk is not taking risks.