Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 25
Sanskrit:
एवं नष्टेषु सर्वेषु कुलेषु स्वेषु केशव: ।अवतारितो भुवो भार इति मेनेऽवशेषित: ॥ २५ ॥
ITRANS:
evaṁ naṣṭeṣu sarveṣukuleṣu sveṣu keśavaḥavatārito bhuvo bhāraiti mene ’vaśeṣitaḥ
Translation:
When all the members of His own dynasty were thus destroyed, Lord Kṛṣṇa thought to Himself that at last the burden of the earth had been removed.