RYAN'S LAW Make three correct guesses consecutively and you will establish yourself as an expert. It works better if you plug it in. The object or bit of information most needed will be the least available. The device requiring service or adjustment will be the least accessible. In any human endeavor, once you have exhausted all possibilities and fail, there will be one solution, simple and obvious, highly visible to everyone else.
Badness comes in waves.
It is easier to get forgiveness than permission. After months of training and you finally understand all of a program's commands, a revised version of the program arrives with an all-new command structure. Everything goes wrong at once. In any collection of data, the figures that are obviously correct beyond all need of checking are the figures that contain the errors. No one you ask for help will see the error either.