Promise too much and you'll have plenty of room to fail. Promise little and you'll have plenty of room to excel.
Making an honest mistake is acceptable. Failing to fix it is not.
The most valuable person is the one who cherishes the value in others.
Don't wait. Tomorrow may be too late to do the things you can today.
Listen to customers and you will hear them. Look carefully at customers and you will see them. Do both and you will understand them.
The right measure is not how many customers you've got, but how closely you hold them.