Ramayana
तस्याश्रमपदस्थस्य बुद्धिर्जज्ञे महात्मनः । चरिष्ये परमं धर्मं धर्मो हि परमा गतिः ॥ 7-3-10 ॥
While that great-souled one dwelt in the hermitage, this thought arose in him: "I shall practice the highest dharma, for dharma is indeed the supreme refuge."
english translation