I'm sure that is a reason why young people occasionally bash up old people - because the ages don't mix any more.
“I am perhaps the oldest musician in the world. I am an old man but in many senses a very young man. And this is what I want you to be, young, young all your life, and to say things to the world that are true.”
“That was one of the things that interested me about the character. He doesn't want to be a hero, and has no real desire to save the earth or discover aliens. He's sniffing around looking to see what will fall in his lap.”