So What Have We Learned in The Last Two Thousand Years ?

So what have we learned in the last two thousand years ?

"The budget should be balanced, the Treasury should be refilled,
public debt should be reduced, the arrogance of officialdom should be
tempered and controlled, and the assistance to foreign lands should be
curtailed lest Rome become bankrupt. People must again learn to work,
instead of living on public assistance. --- Cicero , 55 BC

Evidently, nothing....