Lecture VI

The contrasting effect is that of the reddish, yellowish clouds sailing past. The effect is one of warmth, exactly the opposite. This, too, can be disguised by the coldness of the earth's environment but, all in all, a cloud lined with red, a yellowish cloud, has something warm about it. This is the contrasting effect, the effect of air. Between these two polar opposites something takes place, and that is what benefits the earthly life of man. We can say, then, that the effect on the earth of space petrified, congealed into blueness was seen in the Middle Ages to be the cosmic working of ‘the prince of this world’.