Religious literature has eminent examples, and if we run over our private list of poets, critics, philanthropists and philosophers, we shall find them infected with this dropsy and elephantiasis, which we ought to have tapped.
Spiritual truth is something that is so far from us - without any form or name that we can imagine - that we need the things that religions gave us simply as images and metaphors. But they can be found in a variety of ways. It's not a question of religious practice.