It's best to keep your mouth shut and look like a fool than to open it and prove it.
"When you are up to your a**e in alligators it can be a bit difficult to remember that the original objective was to drain the swamp."
"Girl on a Motorcycle". Starring Marianne Faithfull (her real name) and Alain Delon (some French bloke).
Most of the motorcycling scenes were acted by Billy Ivy, an acquantaince (although much older) of mine - he had to wear a blonde wig.