Besides all that is corporeal within us, and in the entire universe, we know something incorporeal which gives life to our body and is connected with it. This incorporeal something, connected with our body, we call our soul. The same incorporeal something, but not connected with anything, and giving life to everything that lives, we call God.

God is Known of Man From Within

1. The foundation of all faith is in the fact that in addition to what we see and feel in our bodies and in the bodies of other creatures, there is something else that is invisible, incorporeal, yet giving life to us and to everything that is visible and corporeal.

2. I know that there is something within me without which there would be nothing. This is what I call God. (Angelus)

3. Every man meditating on what he is cannot help seeing that he is not all, but a specific separate part of something. And having grasped it, man usually thinks that this something from which he is separated is that material world, which he sees, that earth whereon he lives and whereon his ancestors lived before him, that sky, those stars and that sun which he sees.