持续改进不是可选项，而是必须项。

There are two ways to extend a business. Take inventory of what you are good at and extend out from your skills. Or determine what your customers need and work backwards, even if it requires learning new skills.

歌唱就是祈祷两次。

与人相处，不能任性，要了解人情；行事也不能固执，要明白事理。

To combat an adversary， become their friend.