True.

May we not say that this is the end of a pruning-hook?

We may.

Then now I think you will have no difficulty in understanding my meaning when I asked the question whether the end of anything would be that which could not be accomplished, or not so well accomplished, by any other thing?

I understand your meaning, he said, and assent.

And that to which an end is appointed has also an excellence? Need I ask again whether the eye has an end?

It has.

And has not the eye an excellence?

Yes.

And the ear has an end and an excellence also?