Ramayana
स त्वं हत्वा मधुसुतं लवणं पापनिश्चयम् । राज्यं प्रशाधि धर्मेण वाक्यं मे यद्यवेक्षसे ॥ 7-62-19 ॥
"Therefore, having slain Lavana, the son of Madhu, whose resolve was wicked, govern the kingdom in accordance with dharma, if you regard my word."
english translation