41.
Any circuit design must contain at least one part which is obsolete, two parts which are unobtainable and three parts which are still under development.
42.
Don't do it if you can't keep it up.
43.
When all else fails, read the instructions.
44.
If mathematically you end up with the incorrect answer, try multiplying by the page number.
45.
There is nothing more satisfying that having someone take a shot at you, and miss.