To Luther, groaning under sin, and seeking deliverance by the works of the law, that monastery — so quiet, so holy, so near to heaven, as he thought — seemed a very Paradise. Soon as he had crossed its threshold the world would be shut out; sin, too, would be shut out; and that sore trouble of soul which he was enduring would be at an end.
At this closed door the "Avenger" would be stayed. So thought Luther as he crossed its threshold. There is a city of refuge to which the sinner may flee when death and hell are on his track, but it is not that into which Luther had now entered.