I can be pretty nasty. Not 'mean' nasty, but nasty by your parents' standards. But not by my parents' standards, because my parents were nasty for their day.
“Every once in a while, something happens to you that makes you realise that the human race is not quite as bad as it so often seems to be.”
“I no longer teach law. But when I did I advised my students that they should never accept a case if it meant that by doing so you couldn't sleep at night.”