At all events, he could but try
This self-same scheme of quackery:
At least some knowledge he should gain,
And knowledge never comes in vain.
Indeed, what harm, if he succeed in
The arts of cupping and of bleeding?
The lancet's power to command
Might be of use in any hand,
And e'en in any hand might save
A forlorn suff'rer from the grave;