Ten Years Later: The Vicomte of Bragelonne by Alexandre Dumas Chapter 17 Page 26

“Is it that he has more luck than I, or that I am a greater fool than he? Bah!” That was the concluding word by the aid of which D’Artagnan, having become wise, now terminated every thought and every period of his style. Formerly he said, “Mordioux!” which was a prick of the spur, but now he had become older, and he murmured that philosophical “Bah!” which served as a bridle to all the passions.