How is it possible for both naturalism and religion - atheism and theism, if you prefer it - to be but two sides of one truth, is the same as the problem how God can be both being and non-being, as one of the most ancient religious and mystical insights proclaims he is, or how he can be both the Eternal Yes and the Eternal Nay, as Böhme affirmed.

Time and Eternity - An Essay on the Philosophy of Religion (1952), p. VI