There are numerous Christians who believe that a personal, private faith is all the gospel requires. Os Guinness described this as "The Private-Zoo Factor," a religion that is caged so that it loses its wildness. When true Christianity is applied to any part of the world, it blossoms far more fully and colorfully than any other worldview. Contrary successful worldviews must borrow from the Christian worldview in order for them to work. When pagans stopped believing that they lived in "an enchanted forest" and that "glens and groves, rocks and streams are alive with spirits, sprites, demons" and "nature teems with sun gods, river goddesses, [and] astral deities," at that moment the world and everything in it changed. Everything seemed possible within the boundaries of God's Providence and law. A Christian worldview made science possible and civil government ministerial rather than messianic. Stanley Jaki, the author of numerous books on the relationship between Christianity and science, comments . . .