Each soul is potentially divine. The goal is to manifest this divinity within, by controlling nature, external and internal. Do this either by work or worship or psychic control or philosophy – by one or more or all of these – and be free.
How has all the knowledge in the world been gained but by concentration of the powers of the mind? The world is ready to give up its secrets if we only know how to knock, how to give if the necessary blow. The strength and force of the blow come through concentration. There is no limit to the power of the human mind. The more concentrated it is, the more power is brought to bear on one point; that is the secret.
The first sign that you are becoming religious is that you are becoming cheerful. When a man is gloomy that may be dyspepsia, but it is not religion.