Yoga Sūtra Chapter Two verse 21

तदर्थ एव दृश्यस्यात्मा ॥२१॥

tat-artha eva-dṛśyasya-ātmā ||21||

That purpose of the seen is indeed for our essence.

tat - thatartha - purposeeva - thusdṛśya - the seenātman - essence; the highest personal principle of life

Commentaries and Reflections

T Krishnamacharya:

Different Yoga practices are meant to prepare a person towards Dhyānam.

Paul Harvey:

Yoga is about remaining true to the self
within the wiles of myself.
– Reflections on Yoga Sūtra Chapter Two verse 21