Service is taking action to create value for someone else.
There's no such thing as the very best. If you're doing your best, it's only because you haven't yet found a way to do better.
Convince people and you win their minds. Inspire people and you win their hearts.
Listen to customers and you will hear them. Look carefully at customers and you will see them. Do both and you will understand them.
If you were a customer, would you come back to buy your products or services?
Silent customers can be deadly. Encourage them to complain.