By associating with a fallen person for one whole year in sacrifices and teaching and sexual intercourse, one becomes fallen. One, however, does not become so by associating with a fallen person in riding on the same car, sitting on the same seat, and eating in the same line.
पतितैः सम्प्रयोगाच्च ब्राह्मणीयोनितस्तथा। अचिरेण महाराज पतितो वै भवत्युत॥