What is the theme in The Adventures of Augie March a Novel by Saul Bellow?

Education is the main theme.The Adventures of Augie March purports to be a memoir spanning some twenty-five years. Education runs through it as a constant theme and for the early part of the novel presents the reader a quandary: how is Augie, who repeatedly claims to be unfit for academics, salt his text with such impressive chains of allusions to history, literature, philosophy, and religion? While a schoolboy, Augie is constantly reminded by Grandma Lausch that unless he buckles down and studies like his big brother Simon, he will be condemn himself to a life of common labor.