What is obviously wrong is easiest cured.

He has yet to learn that 'manners maketh man,' but he was learning it as fast as possible.

The mistakes of youth are rather pathetic than annoying." "Sometimes," said Lady Mary.
"He fell, very naturally, into most of the conventional errors which beset the inexperienced Londoner," said John, smiling slightly at the recollection.

"He talked in a familiar manner of persons whose names were unknown to him the day before yesterday; and told well-known anecdotes about well-known people whom he hadn't had time to meet, as though they had only just happened.

The kind of stories outsiders tell to new-comers.