Quality is not something you can add on to a product or service. It must be built in from the beginning.

I don't have to be a role model for anyone.

世界充满了迹象和奇迹，但我们视而不见地经过它们。

最古老、最简短的词语——'是'和'否'——是需要最多思考的。

Never underestimate the power of a simple idea.

求知若饥，虚心若愚。

最好的数学不仅严谨，而且优雅。

The success of an enterprise depends not only on the external environment but also on internal management.