When I finally gathered, invented, stole, simplified, borrowed, and found a publisher for a clutch of reasonably foolproof recipes, I learned I had friends I hadn't known about—more proof that a mutual dislike can be quite as sound a basis for friendship as a mutual devotion.
There's no system foolproof enough to defeat a sufficiently great fool.Edward Teller
The investor has a right to expect good results to flow from a consistent and courageous application of the principle of buying after the market has declined substantially and selling after it has had a spectacular rise. But he cannot expect to reduce this principle to a simple and foolproof formula, with profits guaranteed and no anxious periods.benjamin graham
So the whole "We have a list and we're not telling you" should tell you something. Don't you think that if Microsoft actually had some really foolproof patent, they'd just tell us and go, "nyaah, nyaah, nyaah!"?linus torvalds
A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
So the whole 'We have a list and we're not telling you' should tell you something. Don't you think that if Microsoft actually had some really foolproof patent, they'd just tell us and go, 'nyaah, nyaah, nyaah!'?