The key is to set realistic customer expectations, and then not to just meet them, but to exceed them — preferably in unexpected and helpful ways.
亲戚都不归附,也就不要对外办交际。 
You don’t know what you can achieve until you try.
我的人生没有遗憾,因为每一刻我都尽力。
人民是我的同胞,万物是我的伙伴。