Yoga Sutras of Patanjali · 1.19
भवप्रत्ययो विदेहप्रकृतिलयानाम् ॥१९॥
bhavapratyayo videhaprakṛtilayānām
For those merged in prakriti and for the bodiless, samadhi arises from their very condition of existence.
— Yoga Sutras of Patanjali 1.19
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).