"There was a time when religion was kept secret from popular belief within the mystery cults like a holy fire, sharing a common sanctuary with philosophy. The legends of antiquity name the earliest philosophers as the originators of these mystery cults, from which the most enlightened among the later philosophers, notably Plato, liked to educe their divine teachings. At that time philosophers still had the courage and the right to discuss the singly great themes, the only ones worthy of philosophizing and rising above common knowledge. P. 7"