Śrīmad-Bhāgavatam · Text 11.19.17
Who is speaking and story frame
श्रुति: प्रत्यक्षमैतिह्यमनुमानं चतुष्टयम् ।
प्रमाणेष्वनवस्थानाद् विकल्पात् स विरज्यते ॥ १७ ॥
śrutiḥ pratyakṣam aitihyam
anumānaṁ catuṣṭayam
pramāṇeṣv anavasthānād
vikalpāt sa virajyate
From the four types of evidence — Vedic knowledge, direct experience, traditional wisdom and logical induction — one can understand the temporary, insubstantial situation of the material world, by which one becomes detached from the duality of this world.
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.