Everything in nature is governed by cycles. Every morning we wake up in a different body with a different mind. We are not the same person that we were yesterday, the day before and tomorrow. What happens today will differ from that yesterday, the day before and tomorrow and nothing stays the same in this world. (It doesn't matter who we were a decade ago, a year ago, or even yesterday... what matters is who we are today, and will be tomorrow!)
Every race is unique unto itself, once run never to be run again in the same manner. Each race has its individual merits and each race is a different puzzle.
Nothing is absolute. All things are subjective.