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.

性能的关键在于优雅，而不是大量的特殊情况。

To be natural is such a very difficult pose to keep.

The secret of a happy old age is to have a good memory and a bad one.

经济学中最重要的是理解预期的作用。