It is the No Religion of Whole religion.
O-theism is the understanding that there is no God separate from existence. It is the understanding that God is the Beingness which is experienced when one is at-one knowingly with the whole of existence.
It is the understanding that this Beingness is the potential of all human beings and that it is the identification with a fictitious entity (ego) which is preventing the realization of this potential.
O-theism is the understanding that there have been many masters who have attained that Beingness and have expressed that experience in the language and culture in which they lived. Their experience is One but their expressions are many.
It is the perennial philosophy. It is the Heart of the teachings of all the Awakened Masters including Krishna, Lao Tzu, Mahavir, Mohammed, Zarathustra, Guru Nanak, Buddha and Christ.
O-theism is the religion-less of the Sufis, Tao, Advaita, Tantra, Yoga and Zen.
It is the religious-ness of Ramakrishna, Ramana Maharshi, Meher Baba, Krishnamurti and Osho.
O-theism is the religion of Enlightenment.
It is the ground in which Theism, Atheism and Deism dissolve.
O-theism is the end of theism. It is All-theism and No-theism, hence O-theism.