“How unwise had the wanderers been, who had deserted its shelter, entangled themselves in the web of society, and entered on what men of the world called "life," - that labyrinth of evil, that scheme of mutual torture. To live, according to this sense of the word, we must not only observe and learn, we must also feel; we must not only be mere spectators of action, we must act; we must not describe, but be subjects of description.”