Q. Which is the greater problem in the world today, ignorance or apathy? A. I don't know and I couldn't care less.
"If was one thing all people took for granted, was conviction that if you feed honest figures into a computer, honest figures come out. Never doubted it myself till I met a computer with a sense of humor." Robert A. Heinlein, The Moon is a Harsh Mistress
hope for the best, plan for the worst
Never assume malice ("on purpose") something which can be adequately explained by incompetance.