What drives people to public service is a sense of possibility. If you haven't sensed that possibility you don't get started in the same way, you don't feel you can have an impact.
“I had a briefcase at one point, but it was a kind of 1980s New Wave briefcase. It was made of some kind of cardboard and it had metal hinges. It was kind of faux industrial looking, and I used to carry my books in it rather than a backpack. I didn't want to have normal student accoutrements.”
“Here is the test to find whether your mission on Earth is finished: if you're alive, it isn't.”