There were two classes in the time of the flood in Noah's— day those who were inside the ark, and those who were outside; two in the parable of the gospel-net— the good fish and the bad; two in the parable of the ten virgins— the wise and foolish; two in the account of the judgment—day the sheep and the goats; two— only two abodes when the last unalterable sentence has been passed— heaven and hell.