On what page of Fahrenheit 451 does Beatty talk about censorship?

In Ray Bradbury's "Fahrenheit 451," Captain Beatty discusses censorship in several instances throughout the book, particularly in Part One. While page numbers can vary by edition, Beatty's key speech about censorship and the role of firemen typically occurs around pages 50-60. In this speech, he explains how society has chosen to suppress literature and promote conformity to maintain happiness.