Mahabharata 12.83.41
गहनं भवतो राज्यमन्धकारतमोवृतम्नेह विश्वसितुं शक्यं भवतापि कुतो मया
gahanaṃ bhavato rājyamandhakāratamovṛtamneha viśvasituṃ śakyaṃ bhavatāpi kuto mayā
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book