In your discipline, if doubt comes, let it come. You do your work and let doubt carry on with its work. And let us see which gives up first!
B.K.S. IyengarThe whole thrust of yogic philosophical and scientific inquiry has therefore been to examine the nature of being, with a view to learning to respond to the stresses of life without so many tremors and troubles.
B.K.S. IyengarI think overall the majority of people who are practicing it as a subject are following the right line. For the aberration, don't blame yoga or the whole community of yogis
B.K.S. IyengarBackbends are to be felt more than expressed. The other postures can be expressed and then felt. Like in meditation each person has to feel backbends.
B.K.S. Iyengar