It is not only important how long your breath is. What is more important is how smooth and subtle it is. For length of breath without the accompanying subtlety is fruitless.
T. K. V. DesikacharThe ultimate goal of yoga is to always observe things accurately, and therefore never act in a way that will make us regret our actions later.
T. K. V. DesikacharThe practice of yoga only requires us to act and to be attentive in our actions.
T. K. V. Desikachar