Intuition comes very close to clairvoyance; it appears to be the extrasensory perception of reality.
The influence of prayer on the human mind and body is as demonstrable as that of secreting glands. Its results can be measured in terms of increased physical buoyancy, greater intellectual vigor, moral stamina, and a deeper understanding of the realities underlying human relationship.
The atmosphere of libraries, lecture rooms and laboratories is dangerous to those who shut themselves up in them too long. It separates us from reality like a fog.