The French philosopher Rene Descartes wrote the now-famous line, "I think; therefore I am." What did Descartes mean? How do the ideas of the Age of Reason related to his way of thinking about life?

It doesn’t mean anything in daily conversation. It was Descartes’s answer to the question of whether anything truly exists. Beginning with the doubt that anything at all exists, he argued that he himself must exist because he experienced an action, that is, thought, for which there must at least be either something doing it or something perceiving it.

Explanation:

the term is einsatzgruppen