“Cogito, ergo sum”—“I think, therefore I am” is perhaps the most famous philosophical statement ever made. Scientist and philosopher René Descates wrote these words in his Discourse on Method (1637). He reasoned logically that since he was able to think, he knew he existed. He continued to reason from this point that God exists.

Louis XIV had a different philosophy: “l’etat, c’est moi”—“I am the state.”… Continue Reading