Wigner believed that consciousness is an inextricable part of reality, that nothing really happens in the physical world unless a conscious mind observes it. Most physicists regard cosmic consciousness as an intriguing idea that will never be provable.
Medical students are taught - "When you hear the sound of hooves, think horses, not zebras." 'Horses' are common ailments, 'zebras' are rare diseases. is a zebra. The problem is that doctors have forgotten that zebras DO exist.