Losing you is most difficult for me, but the nature of my love for you is what matters. If it distorts into half-truth, then perhaps it is better not to love you. I must keep my mind but loose you.

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.

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

I generally concentrate on work for three or four hours every morning. I sit at my desk and focus totally on what I’m writing. I don’t see anything else, I don’t think about anything else.

Everything. Things you lost. Things you’re gonna lose. Everything. Here’s where it all ties together.

let the wind change direction a little bit, and their cries turned to whispers.

And when you come back to Japan next summer, let's have that date or whatever you want to call it. We can go to the zoo or the botanical garden or the aquarium, and then we'll have the most politically correct and scrumptious omelets we can find.