Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 62
Sanskrit:
तस्मादेतद्व्रतं भद्रे प्रयता श्रद्धयाचर ।भगवान्परितुष्टस्ते वरानाशु विधास्यति ॥ ६२ ॥
ITRANS:
tasmād etad vrataṁ bhadreprayatā śraddhayācarabhagavān parituṣṭas tevarān āśu vidhāsyati
Translation:
Therefore, my dear gentle lady, follow this ritualistic vow, strictly observing the regulative principles. By this process, the Supreme Person will very soon be pleased with you and will satisfy all your desires.