‘Whichever way we go, we just live the self which is only the self, and there is no direction forbidden to us. We had better stride finely wherever we go, without becoming nervous and with peace of mind. But, in the middle of emptiness, which demands no particular direction, there must be a decisive aim. No matter what we do, it expands through the ten directions; eternity exists in a moment.’ (The Zen Teaching of Homeless Kodo)
I would add that the decisive aim is not unchanging, but responding to conditions.