I will now tell you who are assembled here the wise sayings of Mazda, the praises of Ahura and the hymns of the Good Spirit, the sublime truth which I see rising out of these flames. You shall therefore harken to the Soul of Nature. Contemplate the beams of fire with a most pious mind. Every one, both men and women, ought to-day to choose his creed. Ye offspring of renowned ancestors, awake to agree with us. So preached Zoroaster, the proph of the Parsis, in one of his earliest sermons nearly 3,500 years ago.