I think there are two things in which most people can agree: 1. People want to live a long life 2. People want to live a good life While on the first

I think there are two things in which most people can agree: 1. People want to live a long life 2. People want to live a good life While on the first point most people would indeed agree and there is a consensus to what it would mean (e.g. counting number of years), on the second point there are already a lot of differences in what "good" means to various different people.