Anti-pelagian Writings by St. Augustine
(13.) The Thirteenth Breviate.
XIII. |The next question we have to ask,| says he, |is this: If man cannot be without sin, whose fault is it, -- man's own, or some one's else? If man's own, in what way is it his fault if he is not that which he is unable to be?| We reply, that it is man's fault that he is not without sin on this account, because it has by man's sole will come to pass that he has come into such a necessity as cannot be overcome by man's sole will.