You can always juice sales by going down-market, but it's hard to go back upmarket.
当市场下跌时,你轻易的将好东西打折变卖,但是一旦市场向上,再想买回来,难之又难。
A physicist's intuition is like a compass in the wilderness of complexity.
True knowledge comes from inner insight.
The pursuit of knowledge is a never-ending journey, and that is what makes it so exciting.
"La realidad es siempre más compleja que cualquier ficción que podamos inventar."