I cannot say that I know Brahman fully.Nor can I say that I know him not....Nor do I know that I know him not.

That which is not comprehended by the mind but by which the mind comprehends—know that...

To darkness are they doomed who worship only the body, and to greater darkness they who worship only the spirit.

Thou art imperishable. Thou art changeless reality. Thou art the source of life.