Glide, then, for ever, pleasure’s sacred stream!

Through Eden, as Euphrates ran, it runs,

And fosters every growth of happy life;

Makes a new Eden where it flows;—but such

As must be lost, Lorenzo! by thy fall.

“What mean I by thy fall?”—Thou’lt shortly see,

While Pleasure’s nature is at large display’d; 661

Already sung her origin, and ends.

Those glorious ends, by kind, or by degree,

When Pleasure violates, ’tis then a vice,