Yoga Sutras of Patanjali · 1.15

दृष्टानुश्रविकविषयवितृष्णस्य वशीकारसंज्ञा वैराग्यम् ॥१५॥

dṛṣṭānuśravikaviṣayavitṛṣṇasya vaśīkārasaṁjñā vairāgyam

Dispassion is the conscious mastery of one who has no thirst for objects seen or heard about.

— Yoga Sutras of Patanjali 1.15

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).