It IS the correct thing...

To refrain from swearing at the employees of a railroad and from quarrelling with them.

For one gentleman to talk with another who is a stranger to him, if this is mutually agreeable.

To remember that the reporter travels and to be wary of what one says to strangers.

To remember that in ordinary cases, a traveling acquaintance is considered to end with the day's journey.

To reply politely if one speaks to you.

To be quiet and courageous in the presence of danger.

It is not the correct thing...

To talk or laugh loudly or to giggle.

To force your conversation upon anyone who evidently does not desire to hear it.

To put one's feet on the seats.

To take a chair or seat that another person has just vacated without waiting to see whether they mean to return to it.

To say, in case of a slight squall at sea, "Captain, is there any hope left?"

To grumble constantly at the accommodations for travelers or at the lack of the same.