生活对我们任何人来说都不容易。但那又怎样？我们必须有毅力，最重要的是对自己有信心。我们必须相信我们在某方面是有天赋的，而且这个目标必须实现。
Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.
The past is not a shadow but a living presence.
你最不满意的客户是你最大的学习来源。
When you attack coal, you attack middle America.
The individual has become a mere cog in an enormous organization of things and powers which tear from his hands all progress, spirituality, and value in order to transform them from their subjective form into the form of a purely objective life.