Śrīmad-Bhāgavatam · Text 10.32.19
Who is speaking and story frame
भजतोऽपि न वै केचिद् भजन्त्यभजत: कुत: ।
आत्मारामा ह्याप्तकामा अकृतज्ञा गुरुद्रुह: ॥ १९ ॥
bhajato ’pi na vai kecid
bhajanty abhajataḥ kutaḥ
ātmārāmā hy āpta-kāmā
akṛta-jñā guru-druhaḥ
Then there are those individuals who are spiritually self-satisfied, materially fulfilled or by nature ungrateful or simply envious of superiors. Such persons will not love even those who love them, what to speak of those who are inimical.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.