No we know for sure.

Really.

Hot ICE.

Es nervt  wenn bei der Zug-Sitzplatzwahl oft die Fahrtrichtung nicht dabei steht, besonders wenn davon auch abhängt ob der Platz (den Großteil der Fahrt) auf der Sonnenseite ist.

Nextelebrating success.

He was completely indifferent to a problem as soon as he had solved it. Once the object of his attention had yielded, showing its true form, the Professor lost interest. He simply walked away in search of the next challenge.

Yōko Ogawa: The housekeeper and the professor

Wave after wave.

"That's how we spend the summer," he said, "complaining about the heat."

Yōko Ogawa: The housekeeper and the professor

Solutitude.

There was something fundamentally incompatible between crushing, random crowds and pure mathematical beauty.

Yōko Ogawa: The housekeeper and the professor