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.

你不仅要相信自己，还要相信你所做的事情。

没有自由，荣耀只是虚名。

The knowledge of the past stays with us to spur us on to new achievements.

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

民主的未来取决于其提供经济增长和社会正义的能力。