kūpādiṣu kuto 'dhastāt pratibimbād vinekṣaṇam / prāṅmukho darpaṇaṃ paśyan syāc ca pratyaṅmukaḥ katham //
"How [can there be] perception below in wells and such [places] without a reflection? And how could someone facing east, when looking at a mirror, appear as facing west?"