Descartes’s Cogito Ergo Sum

René Descartes sought an indubitable foundation for knowledge, arriving at “I think, therefore I am” as proof of the self’s existence whenever it doubts. From this starting point, he attempted to reconstruct certainty in science and metaphysics.
Question to Ponder: In an age of artificial intelligence and virtual reality, what does the Cartesian emphasis on thought reveal about personal identity?