Like I said, your ancestors had 99% more courage and confidence in the face of danger you can’t even begin to imagine. But, we are a terrified people and so we continue to build a safety space cocoon around ourselves.
And no, you can’t read the minds of long dead people either.
Is it really so difficult to consider that we live in a scared, lazy age?
Spengler in his works has a cyclical view of civilizations, which you might also enjoy.
Many “cyclical” ideologies also have similar ideas going back millennia. Hinduism for example sees the world as occurring in cycles. According to some, we are in a materialistic age, which is a consequence of losing spiritual values and a focus on comfort and pleasure.
And yet that is exactly what you are doing throughout multiple comments.