After 2000 years his book of the Yoga-Sutra (196 Sutras), is considered to be classic yoga reference and it is translated, published and commented on to this day. Additionally his book remains the basic text used in Yoga Schools throughout India. Now it is studied throughout the West also.

Patanjali Mahamuni is a follower of Buddha. The only difference is he has tremendous faith in Ishvar. He surrenders to God. Patanjali has put the whole theory of philosophy into practice. He teaches to go by Ashtang (8steps) Yoga. If you follow these steps you will definitely reach your goal. The steps are:  Yam Niyam Asan Pranayam Pratyahar Dharana Dhyan Samadhi. To remain in the goal he has given all the hints through his Sutra.