In a very real sense, there are only two roles in organisations: customers and suppliers. Everybody functions simultaneously in both roles, whether inside or outside the organisation the essence of good business, therefore, is the quality of the relationship between customer and supplier.
Stephen CoveyWhen people have a real sense of legacy, a sense of mattering, a sense of contribution, it seems to tap into the deepest part of their heart and soul. It brings out the best and subordinates the rest.
Stephen Covey