Śrīmad-Bhāgavatam · Text 11.7.20
Who is speaking and story frame
आत्मनो गुरुरात्मैव पुरुषस्य विशेषत: ।
यत् प्रत्यक्षानुमानाभ्यां श्रेयोऽसावनुविन्दते ॥ २० ॥
ātmano gurur ātmaiva
puruṣasya viśeṣataḥ
yat pratyakṣānumānābhyāṁ
śreyo ’sāv anuvindate
An intelligent person, expert in perceiving the world around him and in applying sound logic, can achieve real benefit through his own intelligence. Thus sometimes one acts as one’s own instructing spiritual master.
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.