I hear entire symphonies, oratorios, in my head, but I can't write a note.
I see the Jedi mission as giving up a normal life in exchange for protecting the innocent. It's a life of sacrifice. There are rewards, but also a certain degree of sterility.
There is nothing in art, in philosophy, or in politics to match the fervor of mutual cooperation among discordant bands of fanatics.
Advances have fallen, generally, for everything except the biggest potential bestsellers. Given all the changes, both economic and technological, SF hasn't done too badly.
I try to challenge myself as much as possible, as often as possible.