Verse 19

कुरुध्वं स्वामिकार्याणि सर्वे दानवनायकाः ।बलिर्वर्षसहस्रेण समाधेर्बोधमेष्यति

In plain words

'Attend, all of you, O chiefs of the Dānavas, to your master's affairs; Bali will come to awakening out of his samādhi after a thousand years.'