About Rene Descartes: René Descartes was a French philosopher, mathematician, and scientist who spent most of his life in the Dutch Republic.
It is not enough to have a good mind. The main thing is to use it well.
Nothing is more fairly distributed than common sense: no one thinks he needs more of it than he already has.
Common sense is the best distributed commodity in the world, for every man is convinced that he is well supplied with it.
Il est bon de savoir quelque chose des moeurs de divers peuples, afin de juger des notres plus sainement et que nous ne pensions pas que tout ce qui est contre nos modes soit ridicule et contre raison, ainsi qu'ont coutume de faire ceux qui n'ont rie...
c'est une vérité très certaine que, lorsqu'il n'est pas en notre pouvoir de discerner les plus vraies opinions, nous devons suivre les plus probables partie 3, para 3)
And thus, the actions of life often not allowing any delay, it is a truth very certain that, when it is not in our power to determine the most true opinions we ought to follow the most probable.
entre plusieurs opinions également reçues, je ne choisissais que les plus modérées, tant à cause que ce sont toujours les plus commodes pour la pratique, et vraisemblablement les meilleures, tous excès ayant coutume d'être mauvais, comme aussi...
although we very clearly see the sun, we ought not therefore to determine that it is only of the size which our sense of sight presents; and we may very distinctly imagine the head of a lion joined to the body of a goat, without being therefore shut ...
I revered our theology, and aspired as much as any one to reach heaven: but being given assuredly to understand that the way is not less open to the most ignorant than to the most learned, and that the revealed truths which lead to heaven are above o...
philosophes qui ont pu autrefois se soustraire de l'empire de la fortune, et, malgré les douleurs et la pauvreté, disputer de la félicité avec leurs dieux. Car s'occupant sans cesse à considérer les bornes qui leur étaient prescrites par la na...
The dreams we imagine when we are asleep should not in any way make us doubt the truth of the thoughts we have when we are awake.
[...] the diversity of our opinions, consequently, does not arise from some being endowed with a larger share of reason than others, but solely from this, that we conduct our thoughts along different ways, and do not fix our attention on the same obj...
And, in fine, of false sciences I thought I knew the worth sufficiently to escape being deceived by the professions of an alchemist, the predictions of an astrologer, the impostures of a magician, or by the artifices and boasting of any of those who ...
Reading good books is like engaging in conversation with the most cultivated minds of past centuries who had composed them, or rather, taking part in a well-conducted dialogue in which such minds reveal to us only the best of their thoughts.
The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.
I am indeed amazed when I consider how weak my mind is and how prone to error.
So blind is the curiosity by which mortals are possessed, that they often conduct their minds along unexplored routes, having no reason to hope for success, but merely being willing to risk the experiment of finding whether the truth they seek lies t...
It is only prudent never to place complete confidence in that by which we have even once been deceived.
When I turn my mind's eye upon myself, I understand that I am a thing which is incomplete and dependent on another and which aspires without limit to ever greater and better things...
Some years ago I was struck by the large number of falsehoods that I had accepted as true in my childhood, and by the highly doubtful nature of the whole edifice that I had subsequently based on them. I realized that it was necessary, once in the cou...