Freedom is never voluntarily given by the oppressor； it must be demanded by the oppressed.

过去并没有死去；它甚至还没有过去。

The only valid data for psychology are observable behaviors.

在快速变化的市场中，灵活性是成功的关键。

活着就是冒险一切。否则，你只是一块随机组合的惰性分子，随宇宙之风飘荡。