Some things I heard in school that always got the wheels turning--and some corresponding reading for you to contemplate.
1) You can't be taught to make great ads. You either have the talent or you don't.
haha. That one was always my favorite, especially when pondered over my monthly loan statement.
2) Men are better creatives.
How Females' Ambition is Shaped
A psychological peek at how hearing things like "men are better at that" affect both genders. Suggests that if we just stopped mentioning the male/female ability issue, we'd be one step closer to a level playing field.