IX. Pictorial Representations as a Necessary Educational Tool for Mental Training

But a third thing also takes place. While the germ is forming out of the plant and the new plant is developing out of this germ, elemental forces from the environment are continually acting on the plant from the outside. The germ is there, which developed from the plant, and out of it the new plant develops again; but the third comes from the whole surrounding world; and it is this third that changes each plant again a little. The higher a being stands, the more the influence of the third changes it.