"The role of business is to produce goods and services that people value more highly than their cost, and to do so while consuming as few resources as possible."

你知道的越多，你就越意识到你不知道的越多。

"Innocence always calls mutely for protection when we would be so much wiser to guard ourselves against it: innocence is like a dumb leper who has lost his bell, wandering the world, meaning no harm."

解释：对会带来灾祸的事物不喜欢，就不会招致灾祸。