"Software is like sex – it's better when it's free!" – Linus Torvalds
"The real problem is that programmers have spent far too much time worrying about efficiency in the wrong places and at the wrong times; premature optimization is the root of all evil (or at least most of it) in programming." – Donald Knuth
Douglas Adams
'Nothing travels faster than the speed of light with the possible exception of bad news, which obeys its own special laws.' — Douglas Adams, from Mostly Harmless