Persuasion If you would persuade, you must appeal to interest rather than intellect. If you would persuade, you must appeal to interest rather than intellect.YOU MAY ALSO LIKE »Would you persuade, speak of interest, not of reason.If a man empties his purse into his head, no man can take it away from him. An investment in knowledge always pays the best interest.Industry need not wish.Wealth is not his that has it, but his that enjoys it.It is the working man who is the happy man. It is the idle man who is the miserable man.Money never made a man happy yet, nor will it. The more a man has, the more he wants. Instead of filling a vacuum, it makes one.