Ramayana
चतुर्वर्गप्रदं नित्यं चरितं राघवस्य तु । तस्माद्यत्नवता नित्यं श्रोतव्यं परमं सदा ॥ 7-111-23 ॥
Since the deeds of Raghava forever bestow the four aims of life, this supreme story should therefore always be heard with diligence by a striving man.
english translation