Old habit of mind is one of the toughest things to get away from in the world.
 Mark Twain, A Connecticut Yankee in King Arthur's Court (1889). copy citation

add
Author Mark Twain
Source A Connecticut Yankee in King Arthur's Court
Topic mind habit
Date 1889
Language English
Reference
Note
Weblink http://www.gutenberg.org/files/86/86-h/86-h.htm

Context

“The leak had befallen again now, and these children would have prayed, and processioned, and tolled their bells for heavenly succor till they all dried up and blew away, and no innocent of them all would ever have thought to drop a fish-line into the well or go down in it and find out what was really the matter. Old habit of mind is one of the toughest things to get away from in the world. It transmits itself like physical form and feature; and for a man, in those days, to have had an idea that his ancestors hadn’t had, would have brought him under suspicion of being illegitimate. I said to the monk:” source