Importance is relative and your personality and values tend to change over the course of your life. The version of you that lies on a deathbed has no future, his mental state is probably not in the best condition and his final regrets aren't going to last for long.

Regretting that you haven't done anything significant in your life is as probable as regretting you haven't had enough fun.

Here is a nice article that made me think about this https://medium.com/@rikardhjort/the-deathbed-fallacy-5e54d96...