顾客的信任来之不易,却容易失去——要极力守护它。
The uniform, constant, and uninterrupted effort of every man to better his condition, the principle from which public and national as well as private opulence is originally derived.
你必须强迫自己考虑相反的观点。特别是当它们挑战你最钟爱的想法时。