Is it necessary to practice all these asanas, further and further? Is it necessary to develop scientific researches further and further? To a yogi, the body is a laboratory, a field of experiments and perpetual researches.
B. K. S. Iyengar (2016). “Sparks of Divinity: The Teachings of B. K. S. Iyengar”, p.49, Shambhala Publications
