Take the tour ×  I just started reading G.K. Chesterson's
Orthodoxy and came across this quote:   In context, he seems to
be talking about a movement within Christianity, not an
atheistic movement, that denies the very existence of sin.
Certainly I've heard atheists make the claim that sin is a man-
made concept, and that it's "relative" - what one person
considers sin may be perfectly OK for someone else, for example.
But within the bounds of official Christian doctrine and
understanding, the concept seems incomprehensible to me. Why
would someone bother self-identifying as a Christian if they
didn't need Christ's atonement for their sins? What would be the
point?  My own incredulity aside, there are enough beliefs
within Christianity that it wouldn't surprise me to find
teachings that deny the very existence of sin, but I've never
really paid attention to such things, or bothered to learn about
them. Now my curiosity is piqued.  Was there such a movement at
the time of the writing of the book, and how wides