Mahabharata 5.173.2

न च शक्यं पुनर्गन्तुं मया वारणसाह्वयम्अनुज्ञातास्मि भीष्मेण शाल्वमुद्दिश्य कारणम्

na ca śakyaṃ punargantuṃ mayā vāraṇasāhvayamanujñātāsmi bhīṣmeṇa śālvamuddiśya kāraṇam

Our plain-language meaning of this verse is waiting for scholar review.