स एवायं मया तेऽद्य योगः प्रोक्तः पुरातनः। भक्तोऽसि मे सखा चेति रहस्यं ह्येतदुत्तमम्।।4.3।।
sa evāyaṁ mayā te ’dya yogaḥ proktaḥ purātanaḥ bhakto ’si me sakhā cheti rahasyaṁ hyetad uttamam
saḥ—that; eva—certainly; ayam—this; mayā—by me; te—unto you; adya—today; yogaḥ—the science of Yog; proktaḥ—reveal; purātanaḥ—ancient; bhaktaḥ—devotee; asi—you are; me—my; sakhā—friend; cha—and; iti—therefore; rahasyam—secret; hi—certainly; etat—this; uttamam—supreme