In order to prove a friend to ones guests, frugality must reign in ones meals; and, according to an ancient saying, one must eat to live, not live to eat.
ATTRIBUTION:
Molière [Jean Baptiste Poquelin] (16221673), French comic playwright. Valère, in LAvare (The Miser), act 3, sc. 1 (1669).
Valère seeks to please the miser. The expression eat to live and not live to eat comes from Cicero (Rhetoric ad Herennium), but is famous in the French tradition as a quote from lAvare.