अथ योगानुशासनम्॥१॥
atha yoga-anuśāsanam ॥1॥
Now, begins the discipline of yoga.
As per B.K.S.Iyengar (Light on the Yoga Sutras of Patanjali) this sutra may be taken to mean: ‘the disciplines of integration are here expounded through experience, and are given to humanity for the exploration and recognition of that hidden part of man which is beyond the awareness of the senses’.