“Your most unhappy customers are your greatest source of learning.”
“The greatest happiness is to know the source of unhappiness.”
“If customers don't find enjoyment and satisfaction by coming into your store, it won't matter if you have the greatest, fanciest, most sophisticated business model in the world.”
“Today the greatest single source of wealth is between your ears.”
“Mistakes are your school of learning therefore forgiveness is your greatest teacher in this school of learning.”
“It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living.”