Where gates impregnable, and coercive chains,
In durance strict detain him, till, in form
Of money, Pallas sets the captive free.
Beware, ye debtors! when ye walk, beware,
Be circumspect; oft with insidious ken
The caitiff eyes your steps aloof, and oft
Lies perdue in a nook or gloomy cave,
Prompt to enchant some inadvertent wretch
With his unhallowed touch. So (poets sing)
Grimalkin to domestic vermin sworn