It is not the employer who pays the wages. He only handles the money. It is the product that pays the wages. – Henry Ford, 1922, also sometimes quoted as “It is the customer that pays the wag

What men have called friendship is only a social arrangement, a mutual adjustment of interests, an interchange of services given and received it is, in sum, simply a business from which those involved propose to derive a steady profit for their own self-love. – Francois de La Rochefoucauld