Mahabharata 6.28.36

असंयतात्मना योगो दुष्प्राप इति मे मतिःवश्यात्मना तु यतता शक्योऽवाप्तुमुपायतः

asaṃyatātmanā yogo duṣprāpa iti me matiḥvaśyātmanā tu yatatā śakyo'vāptumupāyataḥ

Our plain-language meaning of this verse is waiting for scholar review.