aphorism Look up aphorism at Dictionary.com
1520s (especially in ref. to the "Aphorisms of Hippocrates"), from M.Fr. aphorisme, from L.L. aphorismus, from Gk. aphorismos "definition, pithy sentence," from aphorizein "to mark off, divide," from apo- "from" + horizein "to bound." An aphorism is a short, pithy statement containing a truth of general import; an axiom is a statement of self-evident truth; a theorem is a demonstrable proposition in science or mathematics; an epigram is like an aphorism, but lacking in general import. Maxim and saying can be used as synonyms for aphorism.