“A Yogi is one in who Pariṇāma and Saṃskāra are in harmony.
When there is no harmony there is the wrong combination of Pariṇāma and Saṃskāra.
This is known as Avidyā or not knowing a thing as it is.
The right combination is Vidyā.”
– TKV Desikachar Madras December 8th 1979 on Sāṃkhya and Yoga