Mahabharata 1.159.16
तस्मात्तापत्य यत्किंचिन्नृणां श्रेय इहेप्सितम्तस्मिन्कर्मणि योक्तव्या दान्तात्मानः पुरोहिताः
tasmāttāpatya yatkiṃcinnṛṇāṃ śreya ihepsitamtasminkarmaṇi yoktavyā dāntātmānaḥ purohitāḥ
Our plain-language meaning of this verse is waiting for scholar review.