What the mysterious is I do not know. I do not call it God because God has come to mean much that I do not believe in. I find myself incapable of thinking of a deity or of any unknown supreme power in anthropomorphic terms, and the fact that many people think so is continually a source of surprise to me. Any idea of a personal God seems very odd to me.
Intellectually, I can appreciate to some extent the conception of monism, and I have been attracted towards the Advaita (non-dualist) philosophy of the Vedanta, though I do not presume to understand it in all its depth and intricacy, and I realise that merely an intellectual appreciation of such matters does not carry one far.

Autobiography (1936; 1949; 1958)