Travellers and their Grades.—Among travellers we may distinguish five grades. The first and lowest grade is of those who travel and are seen—they become really travelled and are, as it were, blind. Next come those who really see the world. The third class experience the results of their seeing. The fourth weave their experience into their life and carry it with them henceforth. Lastly, there are some men of the highest strength who, as soon as they have returned home, must finally and necessarily work out in their lives and productions all the things seen that they have experienced and incorporated in themselves.—Like these five species of travellers, all mankind goes through the whole pilgrimage of life, the lowest as purely passive, the highest as those who act and live out their lives without keeping back any residue of inner experiences.