A solipsist is someone who believes that only their own mind exists, and that they can't know anything outside of their own mind. Solipsism is a philosophical theory that can also be used to describe someone who is extremely self-centered.
A solipsist is someone who believes that only their own mind exists, and that they can't know anything outside of their own mind. Solipsism is a philosophical theory that can also be used to describe someone who is extremely self-centered.