One verse

Bhagavad Gita 4.3

4.3

स एवायं मया तेऽद्य योगः प्रोक्तः पुरातनः | भक्तोऽसि मे सखा चेति रहस्यं ह्येतदुत्तमम् ||४-३||

sa evāyaṃ mayā te.adya yogaḥ proktaḥ purātanaḥ . bhakto.asi me sakhā ceti rahasyaṃ hyetaduttamam ||4-3||

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 and can therefore understand the transcendental mystery of this science.