The mendicant should never mind the evil deeds of any person. He should never hear vilifications of others. He should especially guard against reviling a Brahmana.
नैव पश्येन्न शृणुयादवाच्यं जातु कस्यचित्। ब्राह्मणानां विशेषेण नैव ब्रूयात् कथंचन॥