No.

These then may be truly said to be the ends of these organs?

They may.

[353]But you can cut off a vine-branch with a dagger or with a chisel, and in many other ways?

Of course.

And yet not so well as with a pruning-hook made for the purpose?

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?