... did he show the slightest fear of us or of anything, but he was unwearied in his efforts to regain his freedom. After a few days we put a strap upon his neck and kept him tethered by a chain. But in the night, by dint of some hocus-pocus, he got the chain unsnapped and made off, and he is now, I trust, a patriarch of his ... — Squirrels and Other Fur-Bearers • John Burroughs