Well, I think that morals/values question yielded some interesting answers. Thank you all for your thoughtful replies! I knew I could count on you. :)
Today I used the phrase "the exception that proves the rule" and then realized I didn't know what it meant.
Learning for the day: Here's wikipedia's version of the answer.
Strange, huh? Makes me wonder how often it's actually used correctly...
Perfect ponderings when it's time to go to bed!