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

If you wish to prosper, let your customer prosper…
When people have learned this lesson, everyone will seek his individual welfare in the general welfare. Then jealousies between man and man, city and city, province and province, nation and nation, will no longer trouble the world. – Fr