The passage of time is a continuing thing. At 18, you're going to live forever, and you are definitely not at 52, so that is a recurring topic. I still think it's the main stuff.
“Education, therefore, is a process of living and not a preparation for future living.”
“I don't have any ambitions as an actor. I felt very uncomfortable doing it. The first take every day I'd open my mouth and no words would come out. I'd do a couple of takes and eventually I could run the lines.”