Fools are the ones who cannot change their minds.

重复别人是一个很好的开始。重复你自己则是一个令人失望的终点。

The true teacher defends his pupils against his own personal influence. He inspires self-trust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

我们生活在一个影子的世界里，我们自己也是影子。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.