Chapter II. The Nature of Man
as the colours beyond red and violet are physically invisible. This explanation becomes necessary, because the opinion so easily arises that occult science does not seriously apply itself to scientific thinking, but treats such matters unscientifically. However, one who carefully considers the meaning of the statements made by occult science will find that in reality it is never at variance with genuine science; neither when it brings forward the facts of natural science as illustrations, nor when its statements are directly connected with natural research.