Verse
अर्जुन उवाच
अयतिः श्रद्धयोपेतो योगाच्चलितमानसः ।अप्राप्य योगसंसिद्धिं कां गतिं कृष्ण गच्छति ॥
ayatiḥ śraddhayopeto yogāccalitamānasaḥaprāpya yogasaṃsiddhiṃ kāṃ gatiṃ kṛṣṇa gacchati
Arjuna said: He who takes up Yoga with faith, but cannot control himself with the mind wandering away from Yoga, failing to attain perfection in Yoga, what is his end, O Krishna?
Gītā 6·37