I remember my first awareness of mortality as a child in Bulgaria. I was nine and my father was relaying an anecdote from his youth. I asked him when it had taken place. With unconcerned casualness, he replied: “About a decade ago.” I was astonished that people could segment their lives into blocks this big — my own life hadn’t yet lasted a decade. In realizing that “a decade ago” I hadn’t existed — the self I now so vividly experienced daily was then a nonentity — I also realized that in several more of those ten-year blocks, my dad, and eventually I, will cease to exist…

 

https://www.brainpickings.org/2016/10/23/10-years-of-brain-pickings/?mc_cid=6f3b7cac77&mc_eid=67f7890432