(0) For every fundamental truth, there exists a counterexample:<p><i>(1) It Has To Work.</i><p>Counterexample: U.S. healthcare.<p><i>(2a) No matter how hard you try, you can't make a baby in much less than 9 months.</i><p>Counterexample: adoption.<p><i>(3) With sufficient thrust, pigs fly just fine. However, this is not necessarily a good idea. It is hard to be sure where they are going to land, and it could be dangerous sitting under them as they fly overhead.</i><p>Counterexample: Who cares? </resumes eating his BLT><p><i>(4) Some things in life can never be fully appreciated nor understood unless experienced firsthand.</i><p>Counterexample: Microsoft Windows.<p><i>(5) It is always possible to aglutenate multiple separate problems into a single complex interdependent solution. In most cases this is a bad idea.</i><p>Counterexample: U.S. Constitution.<p><i>6. It is easier to move a problem around (for example, by moving the problem to a different part of the overall network architecture) than it is to solve it.</i><p>Counterexample: Joe Biden's speeches.<p><i>(7a) (corollary). Good, Fast, Cheap: Pick any two (you can't have all three).</i><p>Counterexample: Five Guys.<p><i>(8) It is more complicated than you think.</i><p>Counterexample: "All you lawyers do is complicate situations that aren't complicated." - Erin Brokovich<p><i>9. For all resources, whatever it is, you need more.</i><p>Counterexample: calories.<p><i>(10) One size never fits all.</i><p>Counterexample: Pencil and paper.<p><i>(11) Every old idea will be proposed again with a different name and a different presentation, regardless of whether it works.</i><p>Counterexample: suicide.<p><i>(12) In protocol design, perfection has been reached not when there is nothing left to add, but when there is nothing left to take away.</i><p>Counterexample: Hacker News.