Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 27
Sanskrit:
य एतत् समधीयीत पवित्रं परमं शुचि ।स पूयेताहरहर्मां ज्ञानदीपेन दर्शयन् ॥ २७ ॥
ITRANS:
ya etat samadhīyītapavitraṁ paramaṁ śucisa pūyetāhar ahar māṁjñāna-dīpena darśayan
Translation:
He who loudly recites this supreme knowledge, which is the most lucid and purifying, becomes purified day by day, for he reveals Me to others with the lamp of transcendental knowledge.