If one takes all the styles in jazz harmonically from the earliest beginnings to the latest experiments, he still has a rather limited scope when compared to the rest of music in the world.
“The growth of technology is such that it is not possible today for a nuclear physicist to switch into medical physics without training. The field is now much more technical. More training is needed to do the job.”
“History shows that no enemy remains hostile forever, nor do friends remain friendly forever. For that reason, we intend to have normal relations with all.”