A Manifesto is a public declaration of the opinions, policies and goals of a group. The Rationalists Manifesto lays out the principles and practices of The Rationalist Society. Apriorian Rationalists reject the state and all social costs as superfluous. The world is rational and conceptual and knowable by a rational mind. The rational mind is sane and encompasses the world. The physical world is what happens when insanity creeps in.