Yoga Sutras of Patanjali · 2.10

ते प्रतिप्रसवहेयाः सूक्ष्माः ॥१०॥

te pratiprasava-heyāḥ sūkṣmāḥ

These kleshas, in their subtle form, are to be removed by involution — by being resolved back into their source.

— Yoga Sutras of Patanjali 2.10

Source: Sanskrit attributed to Patanjali (c. 2nd century BCE – 4th century CE). Public-domain English readings drawn from Swami Vivekananda's 'Raja Yoga' (1896) and Charles Johnston's 'The Yoga Sutras of Patanjali' (1912).