我不是为了纪录而比赛,我比赛是因为我热爱这项运动。
I don’t play for the records; I play because I love the game.
The only way to learn mathematics is to do mathematics.
郦波在讲座中引用马克·吐温的话并加以阐释
The study of mental processes requires both experimental and comparative methods.
勇气是所有美德中最重要的,因为没有勇气,你就无法始终如一地实践其他美德。