Twenty Years After by Alexandre Dumas — Read

When left alone with Bernouin, Mazarin was for some minutes lost in thought. He had gained much information, but not enough. Mazarin was a cheat at the card-table. This is a detail preserved to us by Brienne. He called it using his advantages. He now determined not to begin the game with D'Artagnan till he knew completely all his adversary's cards.

"My lord, have you any commands?" asked Bernouin.