Harvey Mackay : (3) " No business can stay in business without customers. How you treat – or mistreat – them determines how long your doors stay open. " - Harvey Mackay " Learn from the past, but don’t live there. Build on what you know so that you don’t repeat mistakes. Resolve to learn something new every day. Because every 24 hours, you have the opportunity to have the best day of your company’s life. " - Harvey Mackay " I believe that visualization is one of the most powerful means of achieving personal goals. " - Harvey Mackay