Yoga Sutras of Patanjali · 2.9

स्वरसवाही विदुषोऽपि तथारूढोऽभिनिवेशः ॥९॥

svarasavāhī viduṣo'pi tathārūḍho'bhiniveśaḥ

Clinging to life is sustained by its own momentum, and is rooted similarly even in the learned.

— Yoga Sutras of Patanjali 2.9

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).