Chapter 4: Sloka 3

4.3

sa evāyaṁ mayā te ’dya
yogaḥ proktaḥ purātanaḥ
bhakto ’si me sakhā ceti
rahasyaṁ hy etad uttamam

saḥ—the same ancient; eva—certainly; ayam—this; mayā—by Me; te—unto you; adya—today; yogaḥ—the science of yoga; proktaḥ—spoken; purātanaḥ—very old; bhaktaḥ—devotee; asi—you are; me—My; sakhā—friend; ca—also; iti—therefore; rahasyam—mystery; hi—certainly; etat—this; uttamam—transcendental.

That very ancient science of the relationship with the Supreme is today told by Me to you because you are My devotee as well as My friend; therefore you can understand the transcendental mystery of this science.