Many many conditions of life are much better now than they ever have been, and are getting better; and
Most people, and especially most intellectuals, are unwilling to believe that this is so.
The Long Peace that the world has enjoyed since the end of the Second World War is one of the greatest blessings in the world. Indeed, it is one of the greatest blessings in human history.
To be sure, there have been and are smaller wars, and even a few medium sized ones. But the Great Powers have not fought a war with one another since the Korean War, and arguably not since World War II.
Steven Pinker, in The Better Angels of Our Nature: Why Violence Has Declined, makes this remarkable point:
As of May 15, 1984, the major powers of the world had remained at peace with one another for the longest stretch of time since the Roman Empire. Not since the second century BCE, when Teutonic tribes challenged the Romans, has a comparable interval passed without an army crossing the Rhine.