Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 18
Sanskrit:
सर्वं ब्रह्मात्मकं तस्य विद्ययात्ममनीषया ।परिपश्यन्नुपरमेत् सर्वतो मुक्तसंशय: ॥ १८ ॥
ITRANS:
sarvaṁ brahmātmakaṁ tasyavidyayātma-manīṣayāparipaśyann uparametsarvato mukta-saṁśayaḥ
Translation:
By such transcendental knowledge of the all-pervading Personality of Godhead, one is able to see the Absolute Truth everywhere. Freed thus from all doubts, one gives up fruitive activities.