The Sufis of ancient times used to keep their heads covered like this for many years, and in doing so they developed such powers that their one glance would penetrate rocks and mountains. It is only control of the sight. Yogis in all ages have worked not only with their minds but even with their eyes, attaining such a stability of glance that they could direct their sight to anything they wished to examine or penetrate. Eyes, therefore, are the representatives of the soul at the surface, and they speak to a person more clearly than words can speak; to one who can read they are the signs of the plane of evolution a person is on. A person does not need to speak to one; his eyes tell one whether he is pleased or not, willing or unwilling, whether he is favorably inclined or unfavorably inclined. Love or hate, pride or modesty, all can be seen in the eyes; even wisdom and ignorance, everything, manifests through the eyes. The one who can trace the condition and character in the eyes certainly communicates with the soul of another person.