" the Enlightenment’s belief in continuous improvement and advance is no longer credible. It has stalled, and it did nothing to prevent the horrors of the Holocaust, the world wars, and the genocides in the twentieth century. Whether the progress hoped for was for human advance in general or the dream of economic betterment in particular, the evident frustration and cynicism in the younger generation stem from their bitter conclusion: The promised future may not be better than the past, yet the term progressive is still flaunted as self-evident. "

― Os Guinness , Carpe Diem Redeemed: Seizing the Day, Discerning the Times