Then he came to the windows, through which he declared no one could possibly have passed.

At the second window he found Daddy Jacques in contemplation.
"Well, Daddy Jacques," he said, "what are you looking at ?" "That policeman who is always going round and round the lake.

Another of those fellows who think they can see better than anybody else!" "You don't know Frederic Larsan, Daddy Jacques, or you wouldn't speak of him in that way," said Rouletabille in a melancholy tone.

"If there is anyone who will find the murderer, it will be he." And Rouletabille heaved a deep sigh.
"Before they find him, they will have to learn how they lost him," said Daddy Jacques, stolidly.
At length we reached the door of The Yellow Room itself.
"There is the door behind which some terrible scene took place," said Rouletabille, with a solemnity which, under any other circumstances, would have been comical..