An important impression was my father's one Sabbatical year, spent in England and Europe in 1937.

During my sabbatical, I spent two years not listening to my songs at all.

The ability to reduce everything to simple fundamental laws does not imply the ability to start from those laws and reconstruct the universe.

The first months at Harvard were more than challenging, as I came to the realization that the humanities could be genuinely interesting, and, in fact, given the weaknesses of my background, very difficult.

I acquired an admiration for Japanese culture, art, and architecture, and learned of the existence of the game of GO, which I still play.

Yeah, about sixteen to twenty weeks a year. For example, we can do America in six or seven weeks. You can do Europe in three weeks; England in two weeks. South America you could do in three weeks; Asia you could do in three weeks.