I also say with backbends, you have to be cautiously bold. Not carelessly bold. You have to descend to the dictation of the spine. You cannot command from the brain to do the poses. As you play with a child, guarding the child from injuries, similarly you have to play in backbends, guarding your spine.
B.K.S. IyengarThere is no progress toward ultimate freedom without transformation, and this is the key issue in all lives.
B.K.S. IyengarYoga is about the will, working with intelligence and self-reflexive consciousness, can free us from the inevitability of the wavering mind and outwardly directed senses.
B.K.S. IyengarIf you practice yoga every day with perseverance, you will be able to face the turmoil of life with steadiness and maturity.
B.K.S. Iyengar