But the beauty of Einstein's equations, for example, is just as real to anyone who's experienced it as the beauty of music. We've learned in the 20th century that the equations that work have inner harmony. ↗
In art and music, particularly in the 20th century, there was a big period there where for something to be called profound you had to not be able to understand it. ↗
Louis Armstrong is quite simply the most important person in American music. He is to 20th century music (I did not say jazz) what Einstein is to physics. ↗