Book 3, Chapter 28: The Verdict

⁠​​​‌​​​​‌​​​​‌​‌​​‌‌‌​‌‌‌‌​​​‌​‌​​​​‌‌‌​​​‌‌‌‌​‌‌‌​‌​​​‌‌​‌‌‌​‌​⁠The arrival of Dr. Thorndyke seemed to me to close the last avenue of escape. The coroner had guessed at my guilty secret, but he only offered his guess as a speculative possibility on which no decisive opinion could be founded. But Dr. Thorndyke was not a guesser. If he had penetrated to that secret he would offer no speculative probabilities, but definite evidence, which would reduce the matter