A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
“They were keen for me still to play the piano, which I was going to, but 45 minutes of piano would be extremely boring. I like a bit of light and shade.”
“Some of the bravest and the best men of all the world, certainly in law enforcement, have made their contributions while they were undercover.”