Ramayana
स मे वध्यः खलु भवेत् कथाद्वन्द्वं समीरितम् । ऋषेर्मम च सौमित्रे पश्येद्वा शृणुयाच्च यः ॥ 7-103-15 ॥
"O Saumitri, whoever should see or hear this private conversation now spoken between the sage and myself must surely be put to death by me."
english translation