You don’t have to be the best, but you have to be the best you can be.
你的最不满意的顾客是你最大的学习源。
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge.
试图阻止知识前进是没有好处的。无知永远不比知识好。
最大的风险就是不冒任何风险。