One verse

Bhagavad Gita 6.28

6.28

युञ्जन्नेवं सदात्मानं योगी विगतकल्मषः | सुखेन ब्रह्मसंस्पर्शमत्यन्तं सुखमश्नुते ||६-२८||

yuñjannevaṃ sadātmānaṃ yogī vigatakalmaṣaḥ . sukhena brahmasaṃsparśamatyantaṃ sukhamaśnute ||6-28||

yuñjan
engaging in yoga practice
evam
thus
sadā
always
ātmānam
the self
yogī
one who is in touch with the Supreme Self
vigata
freed from
kalmaṣaḥ
all material contamination
sukhena
in transcendental happiness
brahma-saṁsparśam
being in constant touch with the Supreme
atyantam
the highest
sukham
happiness
aśnute
attains

Thus the self-controlled yogī, constantly engaged in yoga practice, becomes free from all material contamination and achieves the highest stage of perfect happiness in transcendental loving service to the Lord.