From Self to Cosmic Consciousness is a spiritual and philosophical book written by Richard Maurice Bucke, a Canadian psychiatrist and philosopher. In this book, Bucke explores the concept of cosmic consciousness, which he defines as a higher level of awareness that transcends the individual self and connects with the universal consciousness. Bucke draws on various sources, including his own mystical experiences, to argue that cosmic consciousness is a natural and attainable state of being for humans. He describes the characteristics of individuals who have achieved this state, such as a sense of unity with all things, a heightened sense of intuition, and a deep understanding of the interconnectedness of the universe. The book also delves into the history of mystical experiences and spiritual traditions, including those of ancient cultures and modern religions. Bucke argues that the concept of cosmic consciousness is not limited to any particular religion or belief system, but is a univ