COGITO ERGO SUM

COGITO ERGO SUM I think, therefore I am Cogito Ergo Sum As in Latin it’s said But I’m not a linguist My headache feels like lead I think, therefore I am And my brain tells me so Am I defined by thought My neurons are firing But may still come to naught I think, therefore I am So said Rene Descartes It’s his first principle Mankind realises And is invincible I think, therefore I am Basics of existence This is fundamental But a French perspective He was continental