Mahabharata 6.15.52
अगाधे सलिले मग्नां नावं दृष्ट्वेव पारगाःभीष्मे हते भृशं दुःखान्मन्ये शोचन्ति पुत्रकाः
agādhe salile magnāṃ nāvaṃ dṛṣṭveva pāragāḥbhīṣme hate bhṛśaṃ duḥkhānmanye śocanti putrakāḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book