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
When a courtesan is unable to get hold of a lover to her liking, and is uncertain whether she will derive any pleasure from a person surrounded by his family, or from a low person, this is called a doubt about pleasure.
You know how much I am inclined to explain all disputes among philosophical schools as merely verbal disputes or at least to derive them originally from verbal disputes. Moses Mendelssohn
