Meaning
Supreme God Krishna spoke
Among Aditi's sons, I am Vishnu, the radiant sun among the luminescent ones, Marichi among the air-gods, and the moon among the heavenly bodies. (10:21)
Sanskrit
श्रीभगवान् उवाच
आदित्यानामहं विष्णुर्ज्योतिषां रविरंशुमान् ।
मरीचिर्मरुतामस्मि नक्षत्राणामहं शशी॥
Word-by-word
आदित्यानाम् अहम् विष्णुः, ज्योतिषाम् रविः अंशुमान्,
मरीचिः मरुताम् अस्मि, नक्षत्राणाम् अहम् शशी।
Commentary
Aditi was the daughter of Daksha Prajāpati. Daksha married off Aditi to Sage Kashyapa. Aditi gave birth to the twelve "Ādityas," one of whom was Vāmana, who was a Avatāra of Bhagawān Vishnu. Bhagawān Vishnu Himself is not the son of anyone.