Yoga Sutras of Patanjali · 3.28

ध्रुवे तद्गतिज्ञानम्॥२८॥

dhruve tad-gati-jñānam

By sanyama on the pole star, knowledge of the movements of the stars arises.

— Yoga Sutras of Patanjali 3.28

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).