Yoga Sutras of Patanjali · 2.26

विवेकख्यातिरविप्लवा हानोपायः ॥२६॥

viveka-khyātir aviplavā hānopāyaḥ

Unbroken discriminative discernment is the means to cessation.

— Yoga Sutras of Patanjali 2.26

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).