Your most unhappy customers are your greatest source of learning.
Every saint has a past, and every sinner has a future.
"We are all so much more than we think we are."
企业的成功不是靠机会，而是靠能力。
恐惧是所有情感中最民主的。
Extraordinary claims should require extraordinary evidence to be believed.
The only real mistake is the one from which we learn nothing.
成功不在于从不犯错，而在于从不重蹈覆辙。
