Yoga Sūtra Chapter One verse 7
प्रत्यक्षानुमानागमाः प्रमाणानि ॥७॥
pratyakṣa-anumāna-āgamāḥ pramāṇāni ||7||
Right perception is through the senses, inference and testimony.pratyakṣa - through the sensesanumāna - inference; the act of inferring or drawing a conclusionāgama - testimony; anything handed down and fixed by traditionpramāṇa - right perception, a correct notion; a means of acquiring; measure, scale, standard
Commentaries and Reflections
Commentary by TKV Desikachar:
“Pratyakṣa (through the senses) – Direct perception
In other words the object placed in front of you.
The senses help us in comprehending the object.
Anumāna (inference) – We don’t have all the information.
We have certain indications that allow us to complete the picture.
Anu – to follow.
From the part you can get the whole.
From the effect you get to the cause.
Āgamāḥ (authentic teachings) – No information directly.
Only information is from words
Some truth that has already existed.
We take the words and believe them as if we had seen it for ourselves.
For example God.”