A nod is as good as a wink to a blind horse.
Least said, soonest mended.
There are 10 kinds of people in the world, those that understand binary and those that don't.
You can't make a silk purse out of a sow's ear.
Hindsight is always twenty-twenty.
Existentialism has no future.
Those who are not confused are misinformed.
Better untaught that ill-taught.
