If she had really been in the Teyn Kirche, she was in the city and not far from him.

If she had not been there, he had been deceived by an accidental but extraordinary likeness.

Within the logical concatenation of cause and effect there was no room for any other supposition, and it followed that his course was perfectly clear.

He must continue his search until he should find the person he had seen, and the result would be conclusive, for he would again see the same face and hear the same voice.

Reason told him that he had in all likelihood been mistaken after all.