Koreangel--
You have the horse before the cart.
Quotable quotations are usually bits of wisdom embedded in a piece of literature that is worth reading. Once you produce a body of work worth reading, you'll probably be given credit for your wisdom.
Are you thinking of aphorisms?
Or epigrams?
Quote:a witty saying
wordnet.princeton.edu/perl/webwn
An epigram is a short poem with a clever twist at the end or a concise and witty statement. They are among the best examples of the power of poetry to compress insight and wit.
en.wikipedia.org/wiki/Epigram
"Epigram A brief, pointed, and witty poem that usually makes a satiric or humorous point. Epigrams are most often written in couplets, but take no prescribed form" (Meyer).
www.cocc.edu/lisal/literaryterms/d_h.htm
A terse, sage, or witty and often paradoxical saying. A concise poem dealing pointedly and often satirically with a single thought or event.
www.poestories.com/wordlist.php
a short poem ending in a witty or ingenious turn of thought
mitglied.lycos.de/FrankGemkow/lyrik/lyrik3.htm
A brief, pointed, and often witty statement, found in all forms of literature. An epigram is a short, witty statement in verse or prose. 'Italy is a geographical expression,' said Count Metternich.
members.fortunecity.es/fabianvillegas/drama/glossary-e.htm
A very short, witty poem: "Sir, I admit your general rule,/That every poet is a fool,/But you yourself may serve to show it,/That every fool is not a poet." (Samuel Taylor Coleridge)
www.teachervision.fen.com/page/14481.html
A verse inscription.
www.innvista.com/culture/literature/classic/glossary.htm
A short piece of verse marking a memorable or witty thought.
www.benybont.co.uk/triolet/terms-d.htm
a pithy saying (often humorous)
www.english.uwosh.edu/roth/poetry-terms.htm
A brief pointed poem.
www.bucks.edu/tutor/literms.html
a short, clever verse or saying - 2 or 4 lines. They can be funny, but don't have to be. Often they have a folky sort of wisdom.
www.poetrypark.com/glossary.htm
(www.answers.com is a very useful site).
Thousands of epigrams and aphorisms are credited to Oscar Wilde--whether he said them or not--because he had a reputation for verbal wit.
Anonymous authors create gag material for late-night comics which is quoted everywhere the next day--and sometimes for the next week. Very occasionally such wit passes into the language as aphorism, epigram or cliche.
Can you clarify your question?