I'm not perfect, but I strive for perfection.
顾客永远是对的,我们必须倾听他们的声音。
解释:神态傲慢,谁还愿意和你相处呢?最洁白的东西好像十分黑暗,最道德的人好像有所不足。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.