You can get everything in life you want if you will just help enough other people get what they want.
The most important persuasion tool you have in your entire arsenal is integrity.
ZZZig ZiglarAs quoted in Refining Your Style by Dave Stone (2004)
People don't buy what you do; they buy why you do it.
People are generally better persuaded by the reasons which they have themselves discovered than by those which have come into the mind of others.
You've got to start with the customer experience and work backwards to the technology.
SJSteve JobsApple Worldwide Developers Conference (1997)
There is only one valid definition of business purpose: to create a customer.
The aim of marketing is to make selling superfluous.
PDPeter DruckerManagement: Tasks, Responsibilities, Practices (1973)
Any customer can have a car painted any color that he wants so long as it is black.
The consumer isn't a moron; she is your wife.
When I write an advertisement, I don't want you to tell me that you find it 'creative.' I want you to find it so interesting that you buy the product.
Always hold your sales meetings in rooms too small for the audience, even if it means holding them in the WC.
Your most unhappy customers are your greatest source of learning.
Put the customer first. Invent. And be patient.
Exceed your customers' expectations. If you do, they'll come back over and over.
There is only one boss. The customer.
Telephone, telegraph, tell a woman.
Sales cure all.
Learn to sell. Learn to build. If you can do both, you will be unstoppable.
NRNaval RavikantHow to Get Rich (without getting lucky), Twitter thread (2018)
Make something people want.
PGPaul GrahamY Combinator motto, from his essay Be Good (2008)