Why had Kashyapa, a Brahmana, the king of the birds for his son? Why was he invincible of all creatures and indestructible of all?
कश्यपस्य द्विजातेश्च कथं वै पक्षिराट् सुतः। अधृष्यः सर्वभूतानामवध्यश्चाभवत्कथम्॥