Sometimes the greatest statements are made in the fewest words. I've always liked collecting clever tags, but my main collection got wiped out a couple of years ago in a system crash and I haven't done much work reassembling it. Here are a few good ones I've seen recently:
Jesus used to be my co-pilot, but we crashed in the mountains and I had to eat him.
Statistics are like bikinis: they show interesting details but hide the important stuff.
Those who do not know history are doomed to reimplement it.