Augustine

St. Augustine is a fourth century philosopher whose groundbreaking philosophy infused Christian doctrine with Neoplatonism. He is famous for being an inimitable Catholic theologian and for his agnostic contributions to Western philosophy. He argues that skeptics have no basis for claiming to know that there is no knowledge. In a proof for existence similar to one later made famous by René Descartes, Augustine says, “[Even] If I am mistaken, I am.” He is the first Western philosopher to promote what has come to be called “the argument by analogy” against solipsism: there are bodies external to mine that behave as I behave and that appear to be nourished as mine is nourished; so, by analogy, I am justified in believing that these bodies…