• Murphy’s Law: Anything that can go wrong, will go wrong.
• O’Toole’s Corollary: Murphy was an optimist.
• Sturgeon’s Law: 95 percent of everything is crap.
• Mencken’s Law: Nobody ever went broke underestimating the intelligence of the American public.

Borasky’s Law: Sturgeon and Mencken were optimists, too.

Source: What Hath Von Neumann Wrought?