Besides its precious work, which makes the eye superior to every other organ of the body, it is the expression of the beauty of body, mind and soul. Sufis, therefore, symbolize the eye by a cup of wine; through the eyes the secret hidden in man's heart is reflected into the heart of another. However much a person may try to conceal his secret, yet the reader can read it in his eyes, and can read there his pleasure, his displeasure, his joy, his sorrow. A seer can see still farther. The seer can see the actual condition of man's soul through his eyes, his grade of evolution, his attitude in life, his outlook on life, and his condition, both hidden and manifest.