当实验证明最吸引人的想法是错误时，你必须准备好放弃它们。

富足不是我们获得的东西。它是我们调谐到的东西。

"To understand a person, you must walk a mile in their shoes - and then another mile in their thoughts."

"The only way to make sense out of change is to plunge into it, move with it, and join the dance."

数学是一门活生生的学科，随着新的思想和发现不断演变。