And this is what He did even with the furnace at Babylon. For He did not either prevent their falling into it, or extinguish the flame after those saints were cast into it, but let it burn on, and made them by this very flame greater objects of wonder, and with the Apostles too He wrought other like wonders continually. (St. Mark 16:18.) For if men who have learnt to he philosophic can use the things of nature to the opposite of their intention, and appear even when living in poverty in easier circumstances