??在文明社會中，唯一合法行使權力來逆行對方意愿的目的，是為了防止對他人的傷害。
The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
The best way to predict the future is to create it through bold, responsible action.
Immature love says: 'I love you because I need you.' Mature love says: 'I need you because I love you.'
譯文：任何事苦苦追求最終只會傷害自己，那些看似得到便宜的地方，其實也暗藏著損失。
The most beautiful words in the English language are 'I told you so.'
The true paradises are the paradises that we have lost.
Auction design is as much about psychology as it is about mathematics.