At the prestigious university I attend, there is a clear hierarchy that outlines how long one was to wait for a class to begin if the professor were absent.  A full professor rated fifteen minutes.  An associate only ten.  A mere instructor was expected to be on time, if not early.  This system worked only one way, however; and students were afforded no such grace.

It was to be expected, therefore, that one professor, the foremost authority in his field by his own admission, would register distinct annoyance when a student, just out of 20 years of military service, was late for class for the third morning running.

"Tell me," the professor began, "exactly what did they say in the Army when you sauntered in late like this?"

"Well," mused the unperturbed student . . . .

"first they saluted, then they inquired, 'How are you this morning, sir?' "