 अकुर्वन्तोऽपि पापानि शुचयः पापसंश्रयात्।परपापैर्विनश्यन्ति मत्स्या नागह्रदे यथा।। 
 Even without committing any sin those pure souls because they keep company with sinners will be destroyed for the sins of others just like fishes in a pool of serpents. 