’Tis past conjecture; all things rise in proof:

While o’er my limbs sleep’s soft dominion spread,

What though my soul fantastic measures trod

O’er fairy fields; or mourn’d along the gloom

Of pathless woods; or down the craggy steep

Hurl’d headlong, swam with pain the mantled pool;

Or scaled the cliff; or danced on hollow winds,

With antic shapes, wild natives of the brain?

Her ceaseless flight, though devious, speaks her nature

Of subtler essence than the trodden clod; 100