It was an attack on the certainties of traditional scholastic thinking that prevailed at the time.
It was an attack on the certainties of traditional scholastic thinking that prevailed at the time. It proposed that all knowledge must begin with doubt and proceed to the accumulation of a body of evidence before any certainty can be obtained. Although even personal existence had to be doubted, the proof of the existence was postulated by the phrase "Cogito, ergo sum." FTP, give either the French title or its English translation of this famous essay of Rene Descartes.
It was an attack on the certainties of traditional scholastic thinking that prevailed at the time.
{Discourse on Method} (or {Discours de la methode})