In some cases practice helps it on and up and may be called for. In other cases it is helped by ceremonial wisdom. Then there are formal attitudes that go along with it. And properly defined good behaviour is not excluded either. Esteem proper, self-enhancing action very highly.
Firm action is a part of existence.
And without acting properly it's more difficult to survive. He goads that we should not forget theoretical Buddhist teachings. But despite that we need not rely on any verbal explanation of Zen. WHO want to put stress on the value of practice in Buddhism, insist on a transmission beyond and separate from theoretical teachings. Never think . . .