"The Critique of Pure Reason" in exchange.

But, now,—suppose I could allow your claims

And quite change life to please you,—would it please?

Would life comport with change and still be life?

Ask, now, a doctor for a remedy:

There 's his prescription. Bid him point you out

Which of the five or six ingredients saves

The sick man. "Such the efficacity?

Then why not dare and do things in one dose

Simple and pure, all virtue, no alloy