Nay, he replied, we do know something.

Then, I said, you know all things, if you know anything?

Yes, all things, he said; and that is as true of you as of us.

O, indeed, I said, what a wonderful thing, and what a great blessing! And do all other men know all things or nothing?

Certainly, he replied; they cannot know some things, and not know others, and be at the same time knowing and not knowing.

Then what is the inference? I said.

They all know all things, he replied, if they know one thing.

O heavens, Dionysodorus, I said, I see now that you are in earnest; hardly have I got you to that point. And do you really and truly know all things, including carpentering and leather-cutting?

Certainly, he said.

And do you know stitching?