Srimad-Bhagavatam: Canto 7 - Chapter 1 - Verse 39
Sanskrit:
एवं शप्तौ स्वभवनात् पतन्तौ तौ कृपालुभि: ।प्रोक्तौ पुनर्जन्मभिर्वां त्रिभिर्लोकाय कल्पताम् ॥ ३९ ॥
ITRANS:
evaṁ śaptau sva-bhavanātpatantau tau kṛpālubhiḥproktau punar janmabhir vāṁtribhir lokāya kalpatām
Translation:
While Jaya and Vijaya, thus cursed by the sages, were falling to the material world, they were addressed as follows by the same sages, who were very kind to them. “O doorkeepers, after three births you will be able to return to your positions in Vaikuṇṭha, for then the duration of the curse will have ended.”