People who have great relationships don’t do so because they have no problems. They have great relationships because they deal with their problems well.

哲学的任务不是解决问题，而是对问题本身提出质疑。

努力计算两次。

No man really knows about other human beings. The best he can do is to suppose that they are like himself.

成功不是靠运气，而是靠努力、决心和从失败中学习。