生活就是一种艺术，而我们每个人都是自己生命的艺术家。

最伟大的艺术是让不可见的东西变得可见。

The most dangerous phrase in business is 'We've always done it this way.'

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.