Mahabharata 1.133.16

यदा तु कार्यमस्माकं भवद्भिरुपपत्स्यतेतदा करिष्यथ मम प्रियाणि च हितानि च

yadā tu kāryamasmākaṃ bhavadbhirupapatsyatetadā kariṣyatha mama priyāṇi ca hitāni ca

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