Srimad-Bhagavatam: Canto 1 - Chapter 1 - Verse 8
गन्तुं कृतमतिर्ब्रह्मन् द्वारकां रथमास्थित: ।उपलेभेऽभिधावन्तीमुत्तरां भयविह्वलाम् ॥ ८ ॥
gantuṁ kṛtamatir brahmandvārakāṁ ratham āsthitaḥupalebhe ’bhidhāvantīmuttarāṁ bhaya-vihvalām
As soon as He seated Himself on the chariot to start for Dvārakā, He saw Uttarā hurrying toward Him in fear.
All the members of the family of the Pāṇḍavas were completely dependent on the protection of the Lord, and therefore the Lord protected all of them in all circumstances. The Lord protects everyone, but one who depends completely upon Him is especially looked after by the Lord. The father is more attentive to the little son who is exclusively dependent on the father.