RFC 1925 (rfc1925) - The Twelve Networking Truths

Here are the 12 networking truths.

They apply to a whole heap more than just networking, most of them are good advice for pretty much any situation you could possibly get yourself into.

Just remember:

"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."