Mahabharata 3.1.36

एतद्धि मम कार्याणां परमं हृदि संस्थितम्सुकृतानेन मे तुष्टिः सत्कारश्च भविष्यति

etaddhi mama kāryāṇāṃ paramaṃ hṛdi saṃsthitamsukṛtānena me tuṣṭiḥ satkāraśca bhaviṣyati

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