Then he was the last human being left alive.

That was crazy.

Nobody could be—nobody could be the last—

But there was nobody.

Except him. So, it followed: therefore—ergo: logically, if there was nobody, and if....

God, it was dark.

God, it was quiet.

And if....

If you laugh you'll go crazy.

If you don't laugh, if you don't laugh, if you—hell, only one dose of barbiturate left in the First Aid stores ... big thing, hard to swallow ... and if there's nobody left, then....