Sam is a repetitive, comic process that merely marks time: he gets nowhere, but then he doesn't want to get anywhere. Although there is no possibility of any real change in Sam, he never stops changing: Sam stays there inside Sam, getting less and less like the rest of mankind and more and more like Sam, Sam squared, Sam cubed, Sam to the nth.

An Unread Book, p. 40 - The Third Book of Criticism (1969)