Maurice Leblanc,
The Teeth of the Tiger — Chapter XII. "Help…
(1921)
“ Don Luis did not once deviate from his method. If any objection suggested itself to his mind, he at once replied:"Very well. It may be that I am wrong and that Sauverand's story will not enlighten me on any point capable of guiding me. It may be that the truth lies outside it. But am I in a position to get at the truth in any other way? All that I possess as an instrument of research, without attaching undue importance to certain gleams of light which the regular appearance of the mysterious letters has shed upon the case, all that I possess is Gaston Sauverand's story. ”
