For vice is weakness, and the artful know

Their power increases as the passions grow;

If indolent the pupil, hard their task;

Such minds will ever for amusement ask;

And great the labour! for a man to choose

Objects for one whom nothing can amuse;

For ere those objects can the soul delight,

They must to joy the soul herself excite;

Therefore it is, this patient, watchful kind

With gentle friction stir the drowsy mind: