Question: Master Chinmoy, will you explain briefly to us what is Yoga?

Sri Chinmoy: Yoga means union. Union with whom? It is the union with God. By practising Yoga, that is, spiritual discipline, we unite ourselves with God.

From:Sri Chinmoy,Earth’s Cry Meets Heaven’s Smile, part 3, Aum Press, Puerto Rico, 1978
Sourced from https://srichinmoylibrary.com/ech_3