There are walls behind the walls.

—Ursula K. Le Guin

But ’tis a single Hair —

A filament — a law —

A Cobweb — wove in Adamant —

A Battlement — of Straw —

A limit like the Veil

Unto the Lady’s face —

But every Mesh — a Citadel —

And Dragons — in the Crease —

—Emily Dickinson