..when you do something, you should do it with your whole body and mind; you should be concentrated on what you do. You should do it completely... Yo… - Shunryu Suzuki

The most important things in our practice are our physical posture and our way of breathing. We are not so concerned about a deep understanding of Buddhism. As a philosophy, Buddhism is a very deep, wide, and firm system of thought, but Zen is not concerned about philosophical understanding. We emphasize practice. We should understand why our physical posture and breathing exercise are so important. Instead of having a deep understanding of the teaching, we need a strong confidence in our teaching, which says that originally we have Buddha nature. Our practice is based on this faith.

In order not to leave any traces, when you do something, you should do it with your whole body and mind; you should be concentrated on what you do. You should do it completely, like a good bonfire. You should not be a smoky fire. You should burn yourself completely. If you do not burn yourself completely, a trace of yourself will be left in what you do. You will have something remaining which is not completely burned out. Zen activity is activity which is completely burned out, with nothing remaining but ashes.

"What we call "I" is just a swinging door which moves when we inhale and when we exhale."