Mahabharata 13.63.15

यद्यत्प्रदीयते दानमुत्तराविषये नरैःमहाफलमनन्तं च भवतीति विनिश्चयः

yadyatpradīyate dānamuttarāviṣaye naraiḥmahāphalamanantaṃ ca bhavatīti viniścayaḥ

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