Eikasia Revista de Filosofía 136:127-139. 2026According to William James, mystical states of consciousness are characterized, among other features, by their noetic quality, i. e., some knowledge obtained is through them. However, another common feature of mystical experiences is their ineffability. This raises an epistemological question: How can something be known, and yet cannot be expressed? Through the conceptual framework of Ludwig Wittgenstein’s Tractatus Logico-Philosophicus, we examine
