The astral plane is a world of illusion.

This line is commonly associated with Theosophical discussions of subtle realms, where the astral plane is described as a non-physical domain experienced through psychic perception and dreams, and is often treated as unreliable compared with higher spiritual planes.

It suggests that experiences in the astral realm can be deceptive or shaped by desire, fear, and imagination, so they should not be taken as straightforward truth or ultimate reality.