My Dear Lord, devotees like Vyasadeva & Narada know You to be the Personality of Godhead. Your characteristics,Your form & Your activities & one can thus understand that You are the Supreme Personality of Godhead. Yamunacarya. Bhagavad Gita Chapter 7 Verse 24.
"You are the original lamp. Other incarnations may possess the same candle power as the original lamp but the original lamp is the beginning of all light" Lord Brahma, in "Prayers Offered by Lord Brahma to Lord Krsna," #KRSNA BOOK, Chapter 14