Mahabharata 12.149.36
शोकं त्यजत दैन्यं च सुतस्नेहान्निवर्ततत्यज्यतामयमाकाशे ततः शीघ्रं निवर्तत
śokaṃ tyajata dainyaṃ ca sutasnehānnivartatatyajyatāmayamākāśe tataḥ śīghraṃ nivartata
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book