The Mathemagician nodded knowingly and stroked his chin several times. “You’ll find,” he remarked gently, “that the only thing you can do easily is be wrong, and that’s hardly worth the effort.

Just because you have a choice, it doesn't mean that any of them 'has' to be right.

I remember when I was a kid in school and teachers would explain things to me about what I read, and I'd think, Where did they get that? I didn't read that in there. Later you look at it and think, That's kind of an interesting idea

Expect everything, I always say, and the unexpected never happens.

They all looked very much like the residents of any small valley to which you've never been.

Why not? That's a good reason for almost anything - a bit used perhaps, but still quite serviceable.

The most important reason for going from one place to another is to see what's in between, and they took great pleasure in doing just that.