We all like motorcycles to some degree.

I've noticed that people who have never worked with steel have trouble seeing this—that the motorcycle is primarily a mental phenomenon. They associate metal with given shapes—pipes, rods, girders, tools, parts—all of them fixed and inviolable, and think of it as primarily physical. But a person who does machining or foundry work or forge work or welding sees "steel" as having no shape at all. Steel can be any shape you want if you are skilled enough, and any shape but the one you want if you are not.

There is no perfectly shaped part of the motorcycle and never will be, but when you come as close as these instruments take you, remarkable things happen, and you go flying across the countryside under a power that would be called magic if it were not so completely rational in every way.

That's all the motorcycle is, a system of concepts worked out in steel. There's no part in it, no shape in it, that is not out of someone's mind

The machine itself receives some of the same feelings. With over 27,000 on it it's getting to be something of a high-miler, and old-timer, although there are plenty of older ones running. But over the miles, and I think most cyclists will agree with this, you pick up certain feelings about an individual machine that are unique for that one individual machine and no other. A friend who owns a cycle of the same make, model and even same year brought it over for a repair, and when I test rode it afterward it was hard to believe it had come from the same factory years ago. You could see that long ago it had settled into its own kind of feel and ride and sound, completely different from mine. No worse, but different.

I suppose you could call that a personality. Each machine has its own, unique personality which probably could be defined as the intuitive sum total of everything you know and feel about it. This personality constantly changes, usually for the worse, but sometimes surprisingly for the better, and it is the personality that is the real object of motorcycle maintenance. The new ones start out as good-looking strangers, and depending on how they are treated, degenerate rapidly into bad-acting grouches or even cripples, or else turn into healthy, good-natured, long-lasting friends.

"That's all the motorcycle is, a system of concepts worked out in steel. There's no part in it, no shape in it, that is not out of someone's mind [...] I've noticed that people who have never worked with steel have trouble seeing this — that the motorcycle is primarily a mental phenomenon. They associate metal with given shapes — pipes, rods, girders, tools, parts — all of them fixed and inviolable., and think of it as primarily physical. But a person who does machining or foundry work or forger work or welding sees "steel" as having no shape at all. Steel can be any shape you want if you are skilled enough, and any shape but the one you want if you are not. Shapes, like this tappet, are what you arrive at, what you give to the steel. Steel has no more shape than this old pile of dirt on the engine here. These shapes are all of someone's mind. That's important to see. The steel? Hell, even the steel is out of someone's mind. There's no steel in nature. Anyone from the Bronze Age could have told you that. All nature has is a potential for steel. There's nothing else there."

It's about the time I was riding my Motorcycle, going down a mountain road at 150 miles an hour, playing my guitar.

Although motorcycle riding is romantic, motorcycle maintenance is purely classic.

John looks at the motorcycle and he sees steel in various shapes and has negative feelings about these steel shapes and turns off the whole thing. I look at the shapes of the steel now and I see ideas. He thinks I’m working on parts. I’m working on concepts.

It was fantastic to fight with Michael, a privilege for me. I said in 2005 that it was important to become Champion when Michael was still there, for the value and the recognition that people outside the sport would give to the championship. But people said we did not fight directly in 2005; this year, it was me versus Michael all year. The history books will say that the last two Championships he raced in were won by Alonso, and that makes me very proud. It was a pleasure to compete against him.

Motorcycle maintenance gets frustrating. Angering. Infuriating. That's what makes it interesting.

But with the throttle screwed on, there is only the barest margin, and no room at all for mistakes. It has to be done right... and that's when the strange music starts, when you stretch your luck so far that fear becomes exhilaration and vibrates along your arms. You can barely see at a hundred; the tears blow back so fast that they vaporize before they get to your ears. The only sounds are the wind and a dull roar floating back from the mufflers. You watch the white line and try to lean with it... howling through a turn to the right, then to the left, and down the long hill to Pacifica... letting off now, watching for cops, but only until the next dark stretch and another few seconds on the edge... The Edge... There is no honest way to explain it because the only people who really know where it is are the ones who have gone over. The others- the living- are those who pushed their luck as far as they felt they could handle it, and then pulled back, or slowed down, or did whatever they had to when it came time to choose between Now and Later. But the edge is still Out there. Or maybe it's In. The association of motorcycles with LSD is no accident of publicity. They are both a means to an end, to the place of definitions.

This edition of The Motorcycle Diaries, the notes describing a journey made without hesitation, aboard the noisy motorcycle La Poderosa II (which gave out halfway, but only after transmitting to the adventure a joyous impulse we, too, receive), free as the wind, with the sole purpose of getting to know the world, is dedicated to people whose youth is not merely sequential, but wholehearted and spiritual.

[On the Jaguar XKR-S] It's very fast and very, very loud. And then in the corners it will get its tail out more readily than George Michael.