BG - 6.36

असंयतात्मना योगो दुष्प्राप इति मे मतिः। वश्यात्मना तु यतता शक्योऽवाप्तुमुपायतः।।6.36।।

asaṅyatātmanā yogo duṣhprāpa iti me matiḥ vaśhyātmanā tu yatatā śhakyo ’vāptum upāyataḥ

• asanyata-ātmanā - one whose mind is unbridled
• yogaḥ - Yog
• duṣhprāpaḥ - difficult to attain
• iti - thus
• me - my
• matiḥ - opinion
• vaśhya-ātmanā - by one whose mind is controlled
• tu - but
• yatatā - one who strives
• śhakyaḥ - possible
• avāptum - to achieve
• upāyataḥ - by right means

Translation

I think Yoga is hard to be attained by one with an uncontrolled self, but the self-controlled and striving one can attain it by the appropriate means.

Commentary