Do you know every single line from your favorite movie? Think again. You might be surprised to find out you've been misquoting Hollywood's most beloved films all along. Keep clicking to check out AMC's list
of the 20 greatest movie misquotes. —XFINITY Entertainment Staff
(Photos: AP Photo/Warner Bros, AP Photo/file, Keystone/Getty Images) The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.