挑战在于让观众忘记他们正在观看一场表演。
The challenge is to make the audience forget they're watching a performance.
The church has no power to enforce obedience, neither have any laws they made for that purpose, any binding force on anyone, but by his own consent.
端正自己的行为而不谋求私利,阐明正道而不计较功利
In mathematics, the art of proposing a question must be held of higher value than solving it.