You know, Rome around 300AD was top notch in science, technology, military achievements, art, political power and philosophy. It was also very obviously in decline. Just as we are. It's as obvious as a wart on a bald head.
For that matter, the Soviet Union was considered unstoppable by most people in the 1980; Samuelson predicted we'd soon be speaking Russian in that very year. Ever look at the ruins of the Soviet Union? The ones I looked at in Sevastopol look a lot like Detroit.
Read some history: it's good for you. You can start with the Kenneth Clark documentary on Western Civilization I linked above if you like.
For that matter, the Soviet Union was considered unstoppable by most people in the 1980; Samuelson predicted we'd soon be speaking Russian in that very year. Ever look at the ruins of the Soviet Union? The ones I looked at in Sevastopol look a lot like Detroit.
Read some history: it's good for you. You can start with the Kenneth Clark documentary on Western Civilization I linked above if you like.