Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 14

Sanskrit:

विप्रस्य वै सन्न्यसतो देवा दारादिरूपिण: ।विघ्नान् कुर्वन्त्ययं ह्यस्मानाक्रम्य समियात् परम् ॥ १४ ॥

ITRANS:

viprasya vai sannyasatodevā dārādi-rūpiṇaḥvighnān kurvanty ayaṁ hy asmānākramya samiyāt param

Translation:

“This man taking sannyāsa is going to surpass us and go back home, back to Godhead.” Thus thinking, the demigods create stumbling blocks on the path of the sannyāsī by appearing before him in the shape of his former wife or other women and attractive objects. But the sannyāsī should pay the demigods and their manifestations no heed.

Purport:

The demigods are empowered with universal administration and by their potency may appear as the former wife of a sannyāsī or as other women, so that the sannyāsī gives up his strict vows and becomes entangled in sense gratification. Lord Kṛṣṇa here encourages all sannyāsīs by telling them, “Pay no attention to such illusory manifestations. Continue your duties and go back home, back to Godhead.”