While you may have made money doing something a certain way yesterday, there's no reason to believe you'll succeed at it tomorrow.
Seth GodinYou want it to be hard. If it's hard, then that means others can't do it easily and you can charge for that value.
Seth GodinYou don't have enough time to be both unhappy & mediocre. It's not just pointless; it's painful.
Seth GodinSome people read business books looking for confirmation. I read them in search of disquiet. Confirmation is cheap, easy and ineffective. Restlessness and the scientific method, on the other hand, create a culture of testing and inquiry that can't help but push you forward.
Seth Godin