口是伤人斧，言语锐如刀，语言的力量巨大，学会好好说话。  

知道自己不知道什么比聪明更有用。

Quality is not a destiny; it is a design.

The truth is often hidden in the shadows, and it takes courage to find it.

The best way to predict the future is to invent it.

Opposition brings concord. Out of discord comes the fairest harmony.

The social responsibility of enterprises lies not only in creating profits but also in promoting sustainable development of the industry.