From Longman Dictionary of Contemporary Englishhabit of thought/mindhabit of thought/mindATTITUDEthe way someone usually thinks about something, or their usual attitudes → habit
Examples from the Corpus
habit of thought/mind• Has this become a habit of mind?• But a habit of mind, something much more important, will stay with young people.• If views are similar it's because habits of thought are the same.• This was his habit of mind.• The care of the interior demands an obsessive habit of mind.• And such habits of mind survive the passage of time.• These habits of thought and action enable a business or work group to take full credit for the triumphs it achieves.• What habits of thought could matter more? 