The sound of his voice was at once penetrating and melodious; and then, that which was inconceivable in Athos, who was always retiring, was that delicate knowledge of the world and of the usages of the most brilliant society--those manners of a high degree which appeared, as if unconsciously to himself, in his least actions.
If a repast were on foot, Athos presided over it better than any other, placing every guest exactly in the rank which his ancestors had earned for him or that he had made for himself.

If a question in heraldry were started, Athos knew all the noble families of the kingdom, their genealogy, their alliances, their coats of arms, and the origin of them.
Etiquette had no minutiae unknown to him.

He knew what were the rights of the great land owners.

He was profoundly versed in hunting and falconry, and had one day when conversing on this great art astonished even Louis XIII himself, who took a pride in being considered a past master therein.
Like all the great nobles of that period, Athos rode and fenced to perfection.

But still further, his education had been so little neglected, even with respect to scholastic studies, so rare at this time among gentlemen, that he smiled at the scraps of Latin which Aramis sported and which Porthos pretended to understand.