2500. Whatever objections may be raised to the teachings of works upon etiquette, there can be no sound argument against a series of simple and brief hints, which shall operate as precautions against mistakes in personal conduct.
2501. Avoid intermeddling with the affairs of others. This is a most common fault.
2502. A number of people seldom meet but they begin discussing the affairs of some one who is absent. This is not only uncharitable but positively unjust. It is equivalent to trying a cause in the absence of the person implicated.
2503. Even in the criminal code, a prisoner is presumed to be innocent until he is found guilty. Society, however, is less just, and passes judgment without hearing the defense.
2504. Depend upon it, as a certain rule, that the people who unite with you in discussing the affairs of others, will proceed to scandalize you the moment that you depart.