No lower animal has ever conceived of such a creation.

Secondly, Browning makes Caliban, in order to exercise his wit and his sense of what is beautiful, fall to making something--a bird, an insect, or a building which he ornaments, which satisfies him for a time, and which he then destroys to make a better.

This is art in its beginning; and the highest animal we know of is incapable of it.

We know that the men of the caves were capable of it.

When they made a drawing, a piece of carving, they were unsatisfied until they had made a better.