Related:

• When in doubt, just drink. -- Peter Weldo
• When in doubt, whip it out!!!
• When in doubt, take all the defaults.
• When in doubt, leave out the adjective.
• When in doubt, log yourself out.
• How many Blue Peter presenters -- does it take to change a light bulb?
  One to make the new bulb out of an empty loo roll and sticky back plastic....
• When in doubt, cut it out! -- Surgeon's motto
• When in doubt, get it out. -- Jody Powell
• When in doubt, jump out. -- Edward Abbey