Breathing is important in the practice of meditation because it is the faculty in us that is simultaneously voluntary and involuntary. You can feel that you are breathing, and equally you can feel that it is breathing you. So it is a sort of bridge between the voluntary world and the involuntary world — a place where they are one.
It is not that I do not get angry. I don't give vent to my anger. I cultivate the quality of patience as angerlessness, and generally speaking, I succeed. But I only control my anger when it comes. How I find it possible to control it would be a useless question, for it is a habit that everyone must cultivate and must succeed in forming by constant practice.
... keep practicing. After a great deal of practice, we no longer think about all the necessary movements we must make; they become part of our existence. Before reaching that stage, however, you must practice and repeat. And if that's not enough, you must practice and repeat some more.
If you desire to be pure, have firm faith, and slowly go on with your devotional practices without wasting your energy in useless scriptural discussions and arguments. Your little brain will otherwise be muddled.
The first practice is the practice of undiscriminating virtue: take care of those who are deserving; also, and equally, take care of those who are not. When you extend your virtue in all directions without discriminating, you feet are firmly planted on the path that returns to the Tao.