Saurapurana 38.32

38.32

brahmovāca -- putra prāpto'smi saṃtoṣaṃ varaṃ varaya suvrata
kathaṃ tvaṃ khidyase citte rājyaṃ tyaktaṃ kutastvayā

Brahmā said: “Son, I have attained satisfaction; choose a boon, O one of good vows!
Why are you grieving in your heart? For what reason was the kingdom abandoned by you?”