Roger Ebert lists his "102 Movies You Must See Before You Die," in this article. (I've seen 52.)

According to Ebert,"It's not my idea of The Best Movies Ever Made (that would be a different list, though there's some overlap here), or that they were my favorites or the most important or influential films, but that they were the movies you just kind of figure everybody ought to have seen in order to have any sort of informed discussion about movies. They're the common cultural currency of our time, the basic cinematic texts that everyone should know, at minimum, to be somewhat "movie-literate."