The Prince and The Pauper by Mark Twain Chapter 10 Page 11

banish these wearing and worrying doubts.

Ah, yes, this was plainly the right way out of the difficulty; therefore she set her wits to work at once to contrive that test. But it was an easier thing to propose than to accomplish. She turned over in her mind one promising test after another, but was obliged to relinquish them all — none of them were absolutely sure, absolutely perfect; and an imperfect one could not satisfy her. Evidently she was racking her head in vain — it seemed manifest that she must give the matter up. While this depressing thought was passing through her mind, her ear caught the regular breathing of the boy, and she knew he had fallen asleep. And while she listened, the measured breathing was broken by a soft, startled cry, such as one utters in a troubled dream.