tumi — vaktā bhāgavatera, tumi jāna artha
tomā vinā anya jānite nāhika samartha"
tumi - Your Lordship; vaktā - the speaker; bhāgavatera - of Śrīmad-Bhāgavatam; tumi - You; jāna - know; artha - the import; tomā vinā - except for You; anya - anyone else; jānite - to know; nāhika - is not; samartha - able.
Following this statement by Śrīla Sanātana Gosvāmī, we have written our introduction to Śrīmad-Bhāgavatam (First Canto, pages 1-41).