"The late ""thumbs up"" film critic Roger Ebert's career is featured in the <a href='http://www.cnn.com/SPECIALS/showbiz/cnn-films-roger-ebert-life-itself/index.html' target='_blank'>CNN Film ""Life Itself"" -- debuting Sunday, Jan. 4 at 9 p.m. ET. </a>In his reviews, Ebert pulled no punches. Click through the photos to see his high praise ... along with some of Ebert's most devastating lines."