Therefore said He well, Moses suffered, not commanded. For what we command, that we ever wish; but when we suffer, we yield against our will, because we have not the power to put full restraint upon the evil wills of men. He therefore suffered you to do evil that you might not do worse; thus in suffering this he was not enforcing the righteousness of God, but taking away its sinfulness from a sin; that while you did it according to His law, your sin should not appear sin.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).