The Rise and Fall of Magic

The rise and fall of magic can be traced in the life cycles of other civilizations. He goes on to say quote, as the charisma of Greek rationalism faded and its internal contradictions became steadily more problematic. In turn, these survivors became the seeds from which magic promptly revived end quote. I don't know anything about the history that he's giving in this paragraph so I don't want to read it becauseI don't know if it's true.