Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 9
Sanskrit:
कृष्ण कृष्ण महावीर हे रामामोघविक्रम ।दावाग्निना दह्यमानान् प्रपन्नांस्त्रातुमर्हथ: ॥ ९ ॥
ITRANS:
kṛṣṇa kṛṣṇa mahā-vīrahe rāmāmogha vikramadāvāgninā dahyamānānprapannāṁs trātum arhathaḥ
Translation:
[The cowherd boys said:] O Kṛṣṇa! Kṛṣṇa! Most powerful one! O Rāma! You whose prowess never fails! Please save Your devotees, who are about to be burned by this forest fire and have come to take shelter of You!