But the self-existing cannot be conceived as limiting itself, in the sense of curtailing its perfection of being, without ceasing to be self-existing. For a self-existent being, if limited at all, could be limited only by itself to be limited by another would imply causal dependence on that other, which the very notion of self-existence excludes.

Now we assert that God is infinitely perfect in the sense explained, and that His infinity is deducible from His self-existence. Time and space, being made up of parts in duration or extension, are essentially finite by comparison with God's infinity. Care should be taken not to confound these two essentially different meanings of the term. In a different sense we sometimes speak, for instance, of infinite time or space, meaning thereby time of such indefinite duration or space of such indefinite extension that we cannot assign any fixed limit to one or the other. When we say that God is infinite, we mean that He is unlimited in every kind of perfection or that every conceivable perfection belongs to Him in the highest conceivable way.

Define omnipresence