The mind is a system of coordinated activities.

沉默是一种美德，但在喜欢的人面前沉默，就是一种懦弱。

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.

我们今天所做的将决定未来几个世纪的气候。

没有努力，你的天赋只不过是未实现的潜力。

每个出口都是另一个地方的入口。