I must once, for all, seriously undertake to rid myself of all the opinions which I had previously accepted and commence to build anew from the foundation, if I wanted to establish anything firm and lasting in the sciences.


Meditationes de prima philosophia (1641)


I must once, for all, seriously undertake to rid myself of all the opinions which I had previously accepted and commence to build anew from the...

I must once, for all, seriously undertake to rid myself of all the opinions which I had previously accepted and commence to build anew from the...

I must once, for all, seriously undertake to rid myself of all the opinions which I had previously accepted and commence to build anew from the...

I must once, for all, seriously undertake to rid myself of all the opinions which I had previously accepted and commence to build anew from the...