Ramayana
पतिव्रतात्वमास्थाय रामं कृत्वा सदा हृदि । श्रेयस्ते परमं देवि तथा कृत्वा भविष्यति ॥ 7-47-18 ॥
Holding fast to your fidelity as a wife and ever keeping Rama in your heart, the highest good will come to you, O Devi, by acting thus.
english translation