... While the Blessed One was living at Savatthi, it seems, a certain deity came to him in the night, and in order to do away with his doubts he asked the question:
Source: Left- Sanchi Stupa, Bhopal. Right- The Path of Purification (Visuddhimagga), Bhadantacriya Buddhaghosa, Translated from the Pali by Bhikkhu Nanamoli, Samyak Prakashan (2010), Part I. Virtue (Sila), Chapter I. Description of Virtue (Sila Nidesha), [ 1. I. [1], p.I,2