Time
- Death
- Deepen your days
- Getting Old
- Hard Times
- How to Grow Old, by Bertrand Russell
- If the Earth is 45 years old
- Life is not short but we waste it
- Pale Blue Dot
- The Past
“Do you think that I count the days? There is only one day left, always starting over: it is given to us at dawn and taken away from us at dusk.” ― Jean-Paul Sartre