Srimad-Bhagavatam: Canto 12 - Chapter 1 - Verse 65
Sanskrit:
विप्रोऽधीत्याप्नुयात् प्रज्ञां राजन्योदधिमेखलाम् ।वैश्यो निधिपतित्वं च शूद्र: शुध्येत पातकात् ॥ ६५ ॥
ITRANS:
vipro ’dhītyāpnuyāt prajñāṁrājanyodadhi-mekhalāmvaiśyo nidhi-patitvaṁ caśūdraḥ śudhyeta pātakāt
Translation:
A brāhmaṇa who studies the Śrīmad-Bhāgavatam achieves firm intelligence in devotional service, a king who studies it gains sovereignty over the earth, a vaiśya acquires great treasure and a śūdra is freed from sinful reactions.