Writing a long novel is like survival training. Physical strength is as necessary as artistic sensitivity.

People sometimes sneer at those who run every day, claiming they'll go to any length to live longer. But don't think that's the reason most people run. Most runners run not because they want to live longer, but because they want to live life to the fullest.

Then when dusk began to settle he would retrace his steps, back to his own world. And on the way home, a loneliness would always claim his heart. He could never quite get a grip on what it was. It just seemed that whatever lay waiting "out there" was all too vast, too overwhelming for him to possibly ever make a dent in.

Math is like water. It has a lot of difficult theories, of course, but its basic logic is very simple. Just as water flows from high to low over the shortest possible distance, figures can only flow in one direction. You just have to keep your eye on them for the route to reveal itself. That’s all it takes. You don’t have to do a thing. Just concentrate your attention and keep your eyes open, and the figures make everything clear to you. In this whole, wide world, the only thing that treats me so kindly is math.

Whatever it is you're seeking won't come in the form you're expecting.

Like most novelists, I like to do exactly the opposite of what I'm told. It's in my nature as a novelist. Novelists can't trust anything they haven't seen with their own eyes or touched with their own hands.

Of course it hurt that we could never love each other in a physical way. We would have been far more happy if we had. But that was like the tides, the change of seasons--something immutable, an immovable destiny we could never alter. No matter how cleverly we might shelter it, our delicate friendship wasn't going to last forever. We were bound to reach a dead end. That was painfully clear.