Further Thought...
The sadhaka must learn to locate the sources of the afflictions, in order to be able to nip them in the bud through his yogic principles and disciplines (see I.8 viparyaya).
Iyengar, B.K.S., Light on the Yoga Sutras of Patanjali (p. 145). HarperCollins Publishers. Kindle Edition.
To think about: How does one make the leap from a physical practice to one of self-exploration? Hint... read B.K.S. Iyengar's Light on Life.