Sanskrit: सदैवात्मा विशुद्धोऽपि ह्यशुद्धो भाति वै सदा।  यथैव द्विविधा रज्जुर्ज्ञानिनोऽज्ञानिनोऽनिशम्।   
English:  Atman, though ever pure (to a wise man), always appears to be impure (to an ignorant one), just as a rope always appears in two different ways to a knowing person and an ignorant one.