Lecture VII

We must not, however, imagine that all the animal forms we see around us, and which represent certain conditions of hardening, are the result of evil human passions. Passions were necessary; man had to experience them in order that he might absorb from them into his own nature all that was useful; so that when we look back into such periods of the earth's evolution we find in our environment animal shapes that are in a state of material self-metamorphosis.