Since it looks like skeptical philosophy is covered pretty well, here are some books from religious philosophy that you'd probably do well to read: The Tao te

Since it looks like skeptical philosophy is covered pretty well, here are some books from religious philosophy that you'd probably do well to read: The Tao te Ching The Summa Theologica by Thomas Aquinas An Essay in Aid of a Grammar of Assent by John Henry Newman Either/Or by Kierkegaard