The impressionists, Debussy, Faure, in France, did take a few steps forward.

Take a sound from whatever source, a note on a violin, a scream, a moan, a creaking door, and there is always this symmetry between the sound basis, which is complex and has numerous characteristics which emerge through a process of comparison within our perception.

Has it struck you that the music which is regarded as the most sublime in western civilization, which is the music of Bach, is called baroque?

Barbarians always think of themselves as the bringers of civilization.

It's ridiculous that time and time again we need a radioactive cloud coming out of a nuclear power-station to remind us that atomic energy is extraordinarily dangerous.

The world changes materially. Science makes advances in technology and understanding. But the world of humanity doesn't change.