Your self-worth is determined by you. You don't have to depend on someone telling you who you are.

一家公司最宝贵的资产是员工，要投资于他们。

理论是灰色的，而生活之树常青。

创新不仅仅是创造新事物；它关乎改变人们的生活。

质量不是一种行为，而是一种习惯。