Srimad-Bhagavatam: Canto 12 - Chapter 1 - Verse 17
Sanskrit:
चराचरगुरोर्विष्णोरीश्वरस्याखिलात्मन: ।धर्मत्राणाय साधूनां जन्म कर्मापनुत्तये ॥ १७ ॥
ITRANS:
carācara-guror viṣṇorīśvarasyākhilātmanaḥdharma-trāṇāya sādhūnāṁjanma karmāpanuttaye
Translation:
Lord Viṣṇu — the Supreme Personality of Godhead, the spiritual master of all moving and nonmoving living beings, and the Supreme Soul of all — takes birth to protect the principles of religion and to relieve His saintly devotees from the reactions of material work.