You can shear a sheep a hundred times, but you can skin it only once.
I don't believe in hunches. Hunches are for dogs making love.
Look around the table. If you don't see a sucker, get up, because you're the sucker.
It never hurts for potential opponents to think you're more than a little stupid and can hardly count all the money in your hip pocket, much less hold on to it.
Sometimes the lambs slaughter the butcher.
If you are going to bluff, make it a big one.