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.
El tiempo no cura las heridas, solo las entierra bajo capas de olvido.
"La realidad es siempre más compleja que cualquier ficción que podamos inventar."