Mahabharata 12.203.4

उपासनात्प्रसन्नोऽसि यदि वै भगवन्ममसंशयो मे महान्कश्चित्तन्मे व्याख्यातुमर्हसि

upāsanātprasanno'si yadi vai bhagavanmamasaṃśayo me mahānkaścittanme vyākhyātumarhasi

Our plain-language meaning of this verse is waiting for scholar review.