They studied the Brahma (Rik) and the Vedangas and all other sciences of morals. (When they were thus engaged), they saw their grandfather (Vyasa).
ब्राह्यं वेदमधीयाना वेदाङ्गानि च सर्वशः। नीतिशास्त्रं च सर्वज्ञा ददृशुस्ते पितामहम्॥