Resist your fear; fear will never lead to you a positive end. Go for your faith and what you believe.
People in very high places suddenly fall, and we are always surprised because we don't factor in the basic element that they're humans and, therefore, they are flawed and have weaknesses.
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.