Who can really distinguish between the sea and what's reflected in it? Or tell the difference between the falling rain and loneliness?

What I saw wasn't a ghost. It was simply--myself. I can never forget how terrified I was that night, and whenever I remember it, this thought always springs to mind: that the most frightening thing in the world is our own self. What do you think?

These days I just can't seem to say what I mean [...]. I just can't. Every time I try to say something, it misses the point. Either that or I end up saying the opposite of what I mean. The more I try to get it right the more mixed up it gets. Sometimes I can't even remember what I was trying to say in the first place. It's like my body's split in two and one of me is chasing the other me around a big pillar. We're running circles around it. The other me has the right words, but I can never catch her.

I’m the kind of person who likes to be by himself. To put a finer point on it, I’m the type of person who doesn’t find it painful to be alone. I find spending an hour or two every day running alone, not speaking to anyone, as well as four or five hours alone at my desk, to be neither difficult nor boring. I’ve had this tendency ever since I was young, when, given a choice, I much preferred reading books on my own or concentrating on listening to music over being with someone else. I could always think of things to do by myself.

[...] Shimamoto had her own little world within her. A world that was for her alone, one I could not enter.

Properly speaking, should any individual ever have exact, clear knowledge of his own core consciousness?" "I wouldn't know," I said. "Nor would we," said the scientists.

In long-distance running the only opponent you have to beat is yourself, the way you used to be.