Don't go to sleep, nor allow yourself one moment of repose.

The man we dread is remarkably cunning--with a cunning that has never been equalled.

If you keep watch his very cunning may save her; because it's impossible that he should not know that you are watching; and knowing it, he may not venture.' "'Have you spoken of all this to Monsieur Stangerson ?' "'No.

I do not wish him to ask me, as you just now did, for the name of the murderer.

I tell you all this, Monsieur Rouletabille, because I have great, very great, confidence in you.