The current ideology of religious harmony emphasizes similarity—different religions are harmonious because they say the same thing; The older doctrin… - Ram Swarup

Huxley realizes his difficulty. He knows that mysticism is not native to Christianity and has been an uneasy implant from outside. In his Grey Eminence, he shows how through "neo-platonism and along with it, at several removes, the most valuable elements of Hindu religion, entered Christianity and became incorporated, as one of a number of oddly heterogeneous elements, into its scheme of thought and devotion".

The fact is that the truth of harmony and human brotherhood derives not from an absorbed trance but from an awakened prajñâ or wisdom; and its validity depends not on any dramatic ecstatic visions but it belongs to man’s deeper vision and even to his natural reason unspoilt by theologies of exclusiveness.

Apollonius believed that Egypt and Ethiopia derived their wisdom from India, and that the Naked Philosophers of Ethiopia were emigrants from India. He also believed that Pythagoras (about 500 BC) and his sect derived their philosophy from India.