I accept no principles of physics which are not also accepted in mathematics. — Rene Descartes Copy Share Image
Mathematics is a more powerful instrument of knowledge than any other that has been bequeathed to us by human agency. — Rene Descartes Copy Share Image
When writing about transcendental issues, be transcendentally clear. — Rene Descartes Copy Share Image
I concluded that I might take as a general rule the principle that all things which we very clearly and obviously conceive… — Rene Descartes Copy Share Image
Here I beg you to observe in passing that the scruples that prevented ancient writers from using arithmetical terms in geometry, and… — Rene Descartes Copy Share Image
These long chains of perfectly simple and easy reasonings by means of which geometers are accustomed to carry out their most difficult… — Rene Descartes Copy Share Image
If we possessed a thorough knowledge of all the parts of the seed of any animal (e.g. man), we could from that… — Rene Descartes Copy Share Image
As I considered the matter carefully it gradually came to light that all those matters only were referred to mathematics in which… — Rene Descartes Copy Share Image
“My third maxim was to endeavour always to conquer myself rather than fortune, and change my desires rather than the order of the world,… — René Descartes Copy Share
Your joy is your sorrow unmasked. And the self-same well from which your laughter rises was often-times filled with your tears. — Rene Descartes Copy Share
So blind is the curiosity by which mortals are possessed, that they often conduct their minds along unexplored routes, having no reason to hope… — Rene Descartes Copy Share
“For to be possessed of a vigorous mind is not enough; the prime requisite is rightly to apply it. The greatest minds, as they… — René Descartes Copy Share
“It is useful to know something of the manners of different nations, that we may be enabled to form a more correct judgment regarding… — René Descartes Copy Share
A state is better governed which has few laws, and those laws strictly observed. — Rene Descartes Copy Share
[About Pierre de Fermat] It cannot be denied that he has had many exceptional ideas, and that he is a highly intelligent man. For… — Rene Descartes Copy Share
“And what more am I? I look for aid to the imagination. [But how mistakenly!] I am not that assemblage of limbs we call… — René Descartes Copy Share
“And, in fine, of false sciences I thought I knew the worth sufficiently to escape being deceived by the professions of an alchemist, the… — René Descartes Copy Share
Nothing is more fairly distributed than common sense: no one thinks he needs more of it than he already has. — Rene Descartes Copy Share
If I go for the alternative which is false, then obviously I shall be in error; if I take the other side, then it… — Rene Descartes Copy Share
Neither the true nor the false roots are always real; sometimes they are imaginary; that is, while we can always imagine as many roots… — Rene Descartes Copy Share
It is only intelligence that is divided equally between people because everybody thinks he/she is enough wise — René Descartes Copy Share
