The way that we see things today does not have to be the way we saw them yesterday. This is because the situations, our relationships to them, ad we ourselves have changed in the interim.
T. K. V. DesikacharIt 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. Desikachar