Each prince's palace and peasant's cottage holds at least one bond-slave.

Byron, with his club-foot, counted himself a prisoner pacing between the walls of his narrow dungeon.

Keats, struggling against his consumption, thought his career that of the galley-slave.

The mother, fastened for years to the couch of her crippled child, is bound by cords invisible, indeed, but none the less powerful.

Nor is the bondage always physical.