Verse 21

पूर्वं यैरेव मत्तातश्चामरैरुपवीजितः ।सहस्रनयनः स्वर्गे कष्टं तैरेव वीज्यते

In plain words

By those very fly-whisks with which my father was once fanned — by those very ones, alas, the Thousand-eyed One is fanned now, in heaven.