For they were obviously gentlemen, and obviously of a thoughtful and perhaps devout habit of mind.

A keen observer who has had the cosmopolitan education, say, of an attache, is usually able to assign a nationality to each member of a mixed assembly; but there was a subtle resemblance to each other in these diners, which would have made the task a hard one.

These were citizens of the world, and their likeness lay deeper than a mere accident of dress.

In fact, the most remarkable thing about them was that they were all alike studiously unremarkable.
After the formal bow, Evasio Mon gave his attention to the fare set before him.

Once he raised his narrow gaze, and, with a smile of recognition, acknowledged the grave and very curt nod of a man seated opposite.