Only one hair's-breadth.
But that was enough; his whole inward and outward world changed shape, and cracked at every joint.

What if it were to fall in pieces?
His brain reeled with the thought.

He doubted his own identity.

The very light of heaven had altered its hue.

Was the firm ground on which he stood after all no solid reality, but a fragile shell which covered--what?
The nightmare vanished, and he breathed once more.