1) Any discussion of the Nazis will inevitably degenerate into a Usenet thread
2) If it ain't broke, don't fix it. If it is broke, still don't fix it or you'll break anything that was expecting it not to change.
3) Any sufficiently complex technology is indistinguishable from rent-seeking.
4) There's a free piece of cheese in every mousetrap.
Any strange behaviour may be explained by a strange tax.
Sometimes it is expedient not to be too pragmatic.