 Aquinas, Thomas |  Bonaventure, Saint |  Clarke, Samuel |  cosmology: and theology |  Duns Scotus, John |  fine-tuning |  Hume, David |  Hume, David: on religion |  infinite regress arguments |  Kant, Immanuel |  Leibniz, Gottfried Wilhelm |  ontological arguments |  principle of sufficient reason |  religion: and science |  Russell, Bertrand |  theology, natural and natural religion 