If we can anticipate what the morality of the future would be, should we try to live by it now?
Not if it's actually the same morality, but depends on technology. For example, strong prohibitions on promiscuity are very sensible in a world without cheap and effective contraceptives. Anyone who tried to live by 2012 sexual standards in 1912 would soon find they couldn't feed their large horde of kids. Likewise, if robots are doing all the work, fine; but right now if you just redistribute all money, no work gets done.
Here's the new thread for posting quotes, with the usual rules: