Ah! How many Judases have we in these days, that kiss Christ, and yet betray Christ; that in their words profess him, but in their works deny him; th… - Thomas Brooks

So as you may see in Daniel and his companions, that would rather choose to burn, and be cast to the lions—than they would bow to the idol which Nebuchadnezzar had set up. When this 'slight offense', in the world's account, and a hot fiery furnace stood in competition, that they must either fall into sin, or be cast into the fiery furnace—such was their tenderness of the honor and glory of God, and their hatred and indignation against sin, that they would rather burn than sin!

Godly lives convince more than miracles themselves.

Ah, souls, you can easily sin as the saints—but can you repent with the saints? Many can sin with David and Peter, that cannot repent with David and Peter—and so must perish forever! (page 27)