O best of the Kurus, I have related to you these narrations of the pastimes of Lord Nārāyaṇa, the creator of this world and the ultimate reservoir of all existence, presenting them to you only in brief summary. Even Lord Brahmā himself would be incapable of describing them entirely.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
एताः कुरुश्रेष्ठ जगद्विधातुः नारायणस्याखिलसत्त्वधाम्नः । लीलाकथास्ते कथिताः समासतः कार्त्स्न्येन नाजोऽप्यभिधातुमीशः
etāḥ kuruśreṣṭha jagadvidhātuḥ nārāyaṇasyākhilasattvadhāmnaḥ | līlākathāste kathitāḥ samāsataḥ kārtsnyena nājo'pyabhidhātumīśaḥ
SB 12.4.39