The Philosophy of Ralph Cudworth: A Study of the True Intellectual System of the Universe. E-book. Formato PDF Charles E. Lowrey   -  Forgotten Books, 2017  - 

The logical result, that Cogito ergo sum is not a first principle. By still retaining it as such, Des Cartes reasons in a circle. Des Cartes fails to comprehend his own suggestion, that being and thought are one in God.