Mahabharata 5.37.36
हितं यत्सर्वभूतानामात्मनश्च सुखावहम्तत्कुर्यादीश्वरो ह्येतन्मूलं धर्मार्थसिद्धये
hitaṃ yatsarvabhūtānāmātmanaśca sukhāvahamtatkuryādīśvaro hyetanmūlaṃ dharmārthasiddhaye
Our plain-language meaning of this verse is waiting for scholar review.