Sri Aurobindo, an Indian philosopher and yogi, proposed the concept of the 'ocean of consciousness' as a metaphor for the interconnectedness of all consciousness.

Consciousness refers to the subjective experience of one's own mental states, including thoughts, feelings, and perceptions.

William James, in his book 'The Varieties of Religious Experience', proposed the idea of 'noetic' knowledge, which he believed was a unique form of knowledge gained through religious experiences.

The term 'numinous' is used to describe the feeling of awe, mystery, and reverence that is often associated with religious experiences.

Rudolf Bultmann, a German theologian, argued that religious language is a form of 'symbolic' language that cannot be interpreted literally, but rather must be understood in terms of its existential significance.

Mystical experience refers to a state of consciousness in which the individual feels a sense of unity with the divine or the universe.

Ludwig Feuerbach, a German philosopher, argued that religious beliefs are a product of human psychology and social conditioning, rather than being based on objective reality.

Cognitive neuroscience is the study of the relationship between the mind and the brain, focusing on how mental processes are implemented in neural structures and processes.

René Descartes, a French philosopher, argued that the mind is a non-physical entity that interacts with the physical brain through the pineal gland.

Science and religion is the study of the relationship between religious beliefs and scientific knowledge, exploring areas of overlap, conflict, and dialogue.

Sigmund Freud, the founder of psychoanalysis, argued that religious beliefs are a form of 'wishful thinking' that provides psychological comfort in the face of the uncertainties of life.

Philosophy of consciousness is the study of the relationship between consciousness and the physical world, exploring questions about the nature, structure, and function of consciousness.

Daniel Dennett, an American philosopher, argued that the mind is an emergent property of the brain, arising from the complex interactions of neurons, rather than being a separate entity.

Religious ethics is the study of the relationship between religion and ethics, exploring how religious beliefs and practices shape moral values and behavior.

Paul Tillich, a German-American theologian, argued that religious beliefs are a form of 'symbolic' language that expresses deep human truths, rather than being literal statements about reality.