Aphorisms:

-Never kiss by the garden gate, love is blind, but the neighbors a'int.
-Give a man a fish, and you'll feed him for a day.  Teach him how to fish, you feed him for a lifetime.
-Even the wildest horse can be tamed.
-Don't count your chickens before they hatch.
-Trust no one, not even yourself.
-Don't make enemies of you friends, make friends of your enemies.
-Ignorance is bliss.
-Don't judge a book by it's cover.
-Never worry about the world ending today, it's already tomorrow in Austrailia.
-The glass is neither half empty nor half full, it's just twice as big as it needs to be.
-Don't put all your eggs in one basket.

I don't remember where I've heard the less common ones...