You had to deal every day with people who were foolish and lazy and untruthful and downright unpleasant, and you could certainly end up thinking that the world would be considerably improved if you gave them a slap.

Always be wary of any helpful item that weighs less than its operating manual.

Correct observation followed by meticulous deduction and the precise visualization of goals is vital to the success of any enterprise.

Sometimes I really think people ought to have to pass a proper exam before they're allowed to be parents. Not just the practical, I mean.

You can't build a plot out of jokes. You need tragic relief. And you need to let people know that when a lot of frightened people are running around with edged weaponry, there are deaths. Stupid deaths, usually. I'm not writing 'The A-Team' - if there's a fight going on, people will get hurt. Not letting this happen would be a betrayal.

Never cross a woman with a star on a stick, young lady. They've got a mean streak.

You can't make people happy by law. If you said to a bunch of average people two hundred years ago "Would you be happy in a world where medical care is widely available, houses are clean, the world's music and sights and foods can be brought into your home at small cost, traveling even 100 miles is easy, childbirth is generally not fatal to mother or child, you don't have to die of dental abscesses and you don't have to do what the squire tells you" they'd think you were talking about the New Jerusalem and say "yes."