William James, brother of Henry James, first taught psychology and then
philosophy. He made his name with "pragmatism"; became a kind of apostle
of it. And if you read his books, you'll find that most end with
religion. That's how he used pragmatism; religion works, therefore it is
He also wrote "The Varieties of Religious Experience";
and I think I know which one he'd had personally.
Plato always strikes me as having had some religious experience. And
then endeavoured to account for it philosophically, at least in his
earlier books. It colours his personality.
Aristotle, on the other hand, shows none of that; his "first mover" is