Books
God is not needed to create guilt or to punish. Our fellow men suffice, aided by ourselves.
— Albert Camus ‧ The Fall

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
This is a bleak claim that guilt and punishment don't need any divine source. People around us hand out judgment readily, and we add to it by judging ourselves. In this viewpoint, human beings handle the whole job without help.
Context reviewed