old saying 名言・めいげん； a quote from a famous person - even if they are still alive. "I knew John F. Kennedy and you, sir, are no . . ." Can be funny, too.
格言・かくげん： an old proverb - always moral in nature.
“ ことわざ ” : an old proverb - always moral in nature. ???
合言葉：あいことば： a slogan of a group or company: "coke is it!" "power to the people!"