人总是比他对自己所知道的要多。他不是一劳永逸地是什么,而是一个过程。
避免错误的最佳方式是积累经验。
我生来就是为了赢,但为了赢我必须愿意输。
Mathematics is the foundation upon which all science is built.
The only purpose for which power can be rightfully exercised over any member of a civilized community, against his will, is to prevent harm to others.