The future belongs to those who can make leather without leaving scars—on the earth or its people.

The only person you should try to be better than is the person you were yesterday.

过去是一个跟随你到任何地方的影子。

The best ideas come from listening, not just talking.

释义：正直仁信，原则处世，宏大包容，依此处世，不用学习世俗的那一套也不会不利。此句强调自然的品质，反对虚伪骄饰。