Verse
पूर्वाभ्यासेन तेनैव ह्रियते ह्यवशोऽपि सः ।जिज्ञासुरपि योगस्य शब्दब्रह्मातिवर्तते ॥
By that former practice he is irresistibly carried on. Even the seeker after the knowledge of Yoga goes beyond the range of the Vedas and Upanishads.
Gītā 6·44