What I find quietly fascinating about iaidō is that it is an art devoted almost entirely to a problem you hope never to have. The whole discipline is built around the instant of drawing a sword against a threat that is already upon you, and yet nearly everyone who practises it will go a lifetime without ever drawing a real blade in anger. You spend years refining a response to an emergency that, for you, will never come. There is something honest in that, and something a little absurd, and I have come to think the two are related.
When I first watched iai I misread it completely. I had come expecting the clash and clamour of sparring, and instead I found a person kneeling alone on a wooden floor, very still, then moving once with great speed, then becoming still again. No partner, no contact, no winner. It looked, frankly, like a slow afternoon. It took me a while to understand that the stillness was the point, and that the single fast movement only meant anything because of all the quiet around it. The art is not really about the cut. It is about the composure that surrounds the cut, the readiness before it and the calm after it.
I also had to get over the assumption that older always means truer. For a long time I treated the modern, standardised forms as a watered-down version of the real thing, the genuine article being whatever a centuries-old school taught. That snobbery did not survive contact with the facts. The standard set that most people learn was assembled in the late twentieth century by a federation, and it was assembled openly, on purpose, so that practitioners of different schools could share a common ground. It is modern, and saying so does not diminish it. A form devised in 1969 can be taught and judged honestly; a form claimed to be five hundred years old often cannot be traced past a much later date. I would rather have the modern thing that admits what it is than the ancient thing that exaggerates.
What I respect most is that the better teachers are open about this distinction. They will tell you plainly that the federation set is a recent construction, and that the depth they hope to pass on lives in the old schools behind it. The founders of those schools are mostly half-legend. Hayashizaki, to whom the whole tradition is traced, is more a figure of memory than of record, and an honest description says so rather than pretending the line is documented all the way back to a single sixteenth-century man. The history that can be checked is the modern history: the federations, the dates, the people who organised the forms and wrote them down. The rest is tradition, and tradition is worth keeping as long as it is labelled as tradition.
The part that moves me is the ending of a form, the moment after the imagined enemy has fallen, when the blade is cleared and slid back into the scabbard. There is a particular care to the resheathing, eyes still up, no hurry, the dangerous thing put away without drama. It is the opposite of the draw, and it seems to me the more difficult half. Drawing fast is a matter of training. Putting the sword away well, with attention and without triumph, is a matter of character, and you cannot fake it. A practitioner who rushes the close gives himself away.
So I have stopped thinking of iaidō as a fighting art that lost its fight. It is something stranger and, to me, more interesting: a way of rehearsing decisiveness and then rehearsing the letting go of it, over and over, alone, until the shape of both is worn into the body. You will probably never need the draw. You will certainly need the composure. That, in the end, is what I think the old swordsmen were really transmitting, even if they would not have put it so plainly.