Instructed by the Surabhi (celestials cow), Indra came to know that the son surpasses in worth other valuable possessions.
इन्द्रोऽप्यश्रुनिपातेन सुरभ्या प्रतिबोधितः। अन्यैः समृद्धैरप्यर्थैर्न सुतान्मन्यते परम्॥