Those persons who do not utter blessings upon the deities and men, who are worthy of respect and always contented, and who live upon such alms as they get without begging, are considered as veritable snakes of virulent poison. Do you, O Bharata, always protect yourself from them by making gifts to them. They are capable to make the foremost of Ritwijas. You are to find them out by means of your spies and agents.