"The view of things [called Pantheism] … — that all plurality is only apparent, that in the endless series of individuals, passing simultaneously and successively into and out of life, generation after generation, age after age, there is but one and the same entity really existing, which is present and identical in all alike; — this theory … may be carried back to the remotest antiquity. It is the alpha and omega of the oldest book in the world, the sacred Vedas, whose dogmatic part, or rather esoteric teaching, is found in the Upanishads. There, in almost every page this profound doctrine lies enshrined; with tireless repetition, in countless adaptations, by many varied parables and similes it is expounded and inculcated. That such was, moreover, the fount whence Pythagoras drew his wisdom, cannot be doubted … That it formed practically the central point in the whole philosophy of the Eleatic School, is likewise a familiar fact. Later on, the New Platonists were steeped in the same … In the ninth century we find it unexpectedly appearing in Europe. It kindles the spirit of no less a divine than Johannes Scotus Erigena, who endeavours to clothe it with the forms and terminology of the Christian religion. Among the Mohammedans we detect it again in the rapt mysticism of the Sufi. In the West Giordano Bruno cannot resist the impulse to utter it aloud; but his reward is a death of shame and torture. And at the same time we find the Christian Mystics losing themselves in it, against their own will and intention, whenever and wherever we read of them! Spinoza's name is identified with it."