सर्पभ्रान्तौ निवृत्तायां न रज्ज्वां सर्पभावना ।पुनरेति यथा प्रावृण्नदी गिरितटाच्च्युता
In plain words
When the mistaken notion of a snake has ceased, the thought of a snake does not return to the rope — any more than a monsoon river, once it has fallen from the mountainside, returns to it.