31.  Some are benefited by praise, others by blame, both being applied in season; while if out of season, or unreasonable, they are injurious; some are set right by encouragement, others by rebuke; some, when taken to task in public, others, when privately corrected.  For some are wont to despise private admonitions, but are recalled to their senses by the condemnation of a number of people, while others, who would grow reckless under reproof openly given, accept rebuke because it is in secret, and yield obedience in return for sympathy.