An aphorism is a statement of truth or opinion expressed in a concise and witty manner. Such as:
America is a country which produces citizens who will cross the ocean to fight for democracy but won't cross the street to vote.
You know that tingly little feeling you get when you love someone? That's common sense leaving your body.
My therapist says I have a preoccupation with vengeance. We'll see about that!
I think my neighbor is stalking me as she's been Googling my name on her computer. I saw it through my telescope last night.