Mahabharata 12.123.22

प्रसादयेन्मधुरया वाचाप्यथ च कर्मणाइत्यस्मीति वदेन्नित्यं परेषां कीर्तयन्गुणान्

prasādayenmadhurayā vācāpyatha ca karmaṇāityasmīti vadennityaṃ pareṣāṃ kīrtayanguṇān

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