I just found a cool site you may want to reference if you are stumped for something witty to say in a project situation.
Project Management Proverbs – A large collection of amusing project management sayings that ring all too true.
http://www.project-training-uk.freeserve.co.uk/
I found it here: http://www.projectsmart.co.uk/helpful_links_internet_sites.html
John F. Filicetti, PMP, MBA