When the question arises whether an object exists or not, and when that whose existence in asserted presents all the signs of non-existence, what is that upon which ordinary people depend in settling the affairs of life?
अस्ति नास्तीति चाप्येतत् तस्मिन्नसति लक्षणे। किमधिष्ठाय तद् ब्रूयाल्लोकयात्राविनिश्चयम्॥