4.5 प्रवृत्तिभेदे प्रयोजकं चित्तमेकमनेकेषाम्

सूत्रसारः

बहूनां चित्तानां कथमेकचित्ताभिप्रायपुरःसा प्रवृत्तिरिति सर्वचित्तानां प्रयोजकं चित्तमेकं निर्मिमीते, ततः प्रवृत्तिभेदः ॥५॥

विकिस्रोतसि 4.5 प्रवृत्तिभेदे प्रयोजकं चित्तमेकमनेकेषाम्-सम्बन्द्धाः बहवः मूलग्रन्थाः विद्यन्ते ।

Yoga system of Patañjali (including commentaries Yoga-bhāshya by Vyasa and, Tattva-vāicāradī by Vāchaspati-Miçra), translated by James Haughton Woods, at books.google.com
The Yoga Aphorisms of Patañjali (including commentary by Bhoja Raja), translated by Rajendralala Mitra, at books.google.com
Patañjali - Yoga-Sutra: A word by word translation with gramma and comment Archived २०१२-०२-०२ at the Wayback Machine
The Yoga Sutras of Patañjali, translation by BonGiovanni, at sacred-texts.com
The Yoga Sutras of Patañjali: the Book of the Spiritual Man by Patañjali, an interpretation by Charles Johnston, at Project Gutenberg
Yoga sutra and related yoga texts, at sanskritdocuments.org
Audio lectures on Yoga Sutras, by Swami Harshananda, at archive.org
Yoga Sutras Online Program by A. G. Mohan