While I gave up God a long time ago, I never shook the habit of wanting to believe in something. So I replaced my creed of everlasting life with life, liberty, and the pursuit of happiness.
There is no true love save in suffering, and in this world we have to choose either love, which is suffering, or happiness. Man is the more man - that is, the more divine - the greater his capacity for suffering, or rather, for anguish.
Leibniz dedicated his life to efforts to educate people to understand that true happiness is found by locating their identity in benefitting mankind and their posterity.
It is now possible to quantify people's levels of happiness pretty accurately by asking them, by observation, and by measuring electrical activity in the brain, in degrees from terrible pain to sublime joy.
Inequality makes everyone unhappy, the poor most of all, and that is well within the remit of the state. More money gives less extra happiness the richer we get, yet we are addicted to earning and spending more every year.
Happiness is a real, objective phenomenon, scientifically verifiable. That means people and whole societies can now be measured over time and compared accurately with one another. Causes and cures for unhappiness can be quantified.
Could a government dare to set out with happiness as its goal? Now that there are accepted scientific proofs, it would be easy to audit the progress of national happiness annually, just as we monitor money and GDP.