I happen to like the strange ones. People who look normal and leads normal lives - they're the ones you have to watch out for.

Pain is inevitable. Suffering is optional. Say you’re running and you think, ‘Man, this hurts, I can’t take it anymore. The ‘hurt’ part is an unavoidable reality, but whether or not you can stand anymore is up to the runner himself.

Why do people have to be this lonely? What's the point of it all? Millions of people in this world, all of them yearning, looking to others to satisfy them, yet isolating themselves. Why? Was the earth put here just to nourish human loneliness?

Some things in life are too complicated to explain in any language.

For some reason all the middle-aged women he knew were very efficient.

That’s how stories happen — with a turning point, an unexpected twist. There’s only one kind of happiness, but misfortune comes in all shapes and sizes. It’s like Tolstoy said. Happiness is an allegory, unhappiness a story.

I've been running a full marathon every year for more than 20 years, and my record is getting worse. Getting older, getting worse. It's natural.