Ramayana
न च पीडा भवेद्यत्र प्राणिनो यस्य कस्यचित् । एवमुक्तस्तु पुत्रेण विश्रवा मुनिपुङ्गवः ॥ 7-3-24 ॥
"And one where there would be no affliction to any living being whatsoever." Thus addressed by his son, Vishrava, that bull among sages,
english translation