Rene Descartes Quotes

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Rene Descartes (1596–1650 ) was a French philosopher, scientist, and mathematician, widely considered a seminal figure in the emergence of modern philosophy and science.

The greatest minds are capable of the greatest vices as well as of the greatest virtues. - Rene Descartes

Mathematics was central to his method of inquiry, and he connected the previously separate fields of geometry and algebra into analytic geometry.

Here is A selection of some of Rene Descartes most famous quotes: Top 25 Rene Descartes quotes. Rene Descartes Quotes about Life, Education and Doubt, Self. Quotes about Science, Truth and More by Rene Descartes.


Rene Descartes Quotes and Sayings

The reading of all good books is like conversation with the finest men of past centuries.

― Rene Descartes


Conquer yourself rather than the world.

― Rene Descartes


If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.

― Rene Descartes


I think, therefore I am.

― Rene Descartes


Doubt is the origin of wisdom.

― Rene Descartes


Except our own thoughts, there is nothing absolutely in our power.

― Rene Descartes


Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.

― Rene Descartes


It is not enough to have a good mind; the main thing is to use it well.

― Rene Descartes


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.

― Rene Descartes


To know what people really think, pay attention to what they do, rather than what they say.

― Rene Descartes


The greatest minds are capable of the greatest vices as well as of the greatest virtues.

― Rene Descartes


Masked, I advance.

― Rene Descartes


I desire to live in peace and to continue the life I have begun under the motto to live well you must live unseen.

― Rene Descartes


It is only prudent never to place complete confidence in that by which we have even once been deceived.

― Rene Descartes


But in my opinion, all things in nature occur mathematically.

― Rene Descartes


You just keep pushing. You just keep pushing. I made every mistake that could be made. But I just kept pushing.

― Rene Descartes


To live without philosophizing is in truth the same as keeping the eyes closed without attempting to open them.

― Rene Descartes


In order to seek truth, it is necessary once in the course of our life to doubt, as far as possible, of all things.

― Rene Descartes


I doubt, therefore I think, therefore I am

― Rene Descartes


There is nothing more ancient than the truth.

― Rene Descartes


Divide each difficulty into as many parts as is feasible and necessary to resolve it.

― Rene Descartes


In order to improve the mind, we ought less to learn than to contemplate.

― Rene Descartes


He who hid well, lived well.

― Rene Descartes


Each problem that I solved became a rule, which served afterwards to solve other problems.

― Rene Descartes


For I found myself embarrassed with so many doubts and errors that it seemed to me that the effort to instruct myself had no effect other than the increasing discovery of my own ignorance.

― Rene Descartes


At last I will devote myself sincerely and without reservation to the general demolition of my opinions.

― Rene Descartes


With me, everything turns into mathematics.

― Rene Descartes


Let whoever can do so deceive me, he will never bring it about that I am nothing, so long as I continue to think I am something.

― Rene Descartes


Because reason... is the only thing that makes us men, and distinguishes us from the beasts, I would prefer to believe that it exists, in its entirety, in each of us.

― Rene Descartes


Good sense is the most equitably distributed of all things because no matter how much or little a person has, everyone feels so abundantly provided with good sense that he feels no desire for more than he already possesses.

― Rene Descartes


The reading of all good books is indeed like a conversation with the noblest men of past centuries who were the authors of them, nay a carefully studied conversation, in which they reveal to us none but the best of their thoughts.

― Rene Descartes


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 there.

― Rene Descartes


Bad books engender bad habits, but bad habits engender good books.

― Rene Descartes


I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake.

― Rene Descartes


But what then am I? A thing that thinks. What is that? A thing that doubts, understand, affirms, denies, wills, refuses, and that also imagines and senses.

― Rene Descartes


It is best not to go on for great quest for truth, it will only make you miserable.

― Rene Descartes


Nothing is more fairly distributed than common sense: no one thinks he needs more of it than he already has.

― Rene Descartes


I am thing that thinks: that is, a things that doubts, affirms, denies, understands a few things, is ignorant of many things, is willing, is unwilling, and also which imagines and has sensory perceptions.

― Rene Descartes


The destruction of the foundations necessarily brings down the whole edifice.

― Rene Descartes


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.

― Rene Descartes


Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it.

― Rene Descartes


The first precept was never to accept a thing as true until I knew it as such without a single doubt.

― Rene Descartes


For the very fact that my knowledge is increasing little by little is the most certain argument for its imperfection.

― Rene Descartes


One should never judge anything unless it is known.

― Rene Descartes


I had become aware, as early as my college days, that no opinion, however absurd and incredible can be imagined, that has not been held by one of the philosophers.

― Rene Descartes


My third maxim was to try always to master myself rather than fortune and change my desires rather than changing how things stand in the world.

― Rene Descartes


They do everything in their power to make fortune favor them in this life, but nevertheless they think so little of it, in relation to eternity, that they view the events of the world as we do those of a play.

― Rene Descartes


I fear being shaken out of them because I am afraid that my peaceful sleep may be followed by hard labour when I wake, and that I shall have to struggle not in the light but in the imprisoning darkness of the problems I have raised.

― Rene Descartes


When it is not in our power to determine what it true, we ought to follow what is most probable.

― Rene Descartes


The thinking of the mind is twofold: understanding and willing.

― Rene Descartes


To live well, one must live unseen.

― Rene Descartes


The last rule was to make enumerations so complete, and reviews so comprehensive, that I should be certain of omitting nothing.

― Rene Descartes


Truths are more likely to have been discovered by one man than by nation.

― Rene Descartes


I took especially great pleasure in mathematics because of the certainty and the evidence of its arguments.

― Rene Descartes


Nothing is made from nothing.

― Rene Descartes


Mind and soul of the man is entirely different from the body.

― Rene Descartes


That we conduct our thoughts along different ways, and do not fix our attention on the same objects.

― Rene Descartes


The will determines itself; it should not be described as blind, any more than vision should be described as deaf.

― Rene Descartes


He who lives well lives well hidden.

― Rene Descartes


So far, I have been a spectator in this theatre which is the world, but I am now about to mount the stage, and I come forward masked.

― Rene Descartes


In order to determine whether we can know anything with certainty, we first have to doubt everything we know.

― Rene Descartes


All that is necessary to right action is right judgment, and to the best action the most correct judgment.

― Rene Descartes


We ought not meanwhile to make use of doubt in the conduct of life.

― Rene Descartes


To attain the truth in life, we must discard all the ideas we were taught.

― Rene Descartes


Man, being finite in nature can only have knowledge perfectness of which is limited.

― Rene Descartes


It is a common failing of mortals to deem the more difficult the fairer.

― Rene Descartes


Nature teaches me that so many other bodies exist around mine of which some are to be avoided, some sought after.

― Rene Descartes


it appears to me that I have discovered many truths more useful and more important than all I had before learned, or even had expected to learn.

― Rene Descartes


I will follow this strategy until I discover something that is certain or, at least, until I discover that it is certain only that nothing is certain.

― Rene Descartes


Is there anything more intimate or more internal than pain?

― Rene Descartes


If I find some reason for doubt in each of my beliefs, that will be enough to reject all of them.

― Rene Descartes


A state is better governed which has few laws, and those laws strictly observed.

― Rene Descartes


We do not describe the world we see, we see the world we can describe.

― Rene Descartes


One needs to know what thought is, what existence is and what certainty is.

― Rene Descartes


Travelling is almost like talking with those of other centuries.

― Rene Descartes


The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.

― Rene Descartes


I hope that posterity will judge me kindly, not only as to the things which I have explained, but also to those which I have intentionally omitted so as to leave to others the pleasure of discovery.

― Rene Descartes


Divide each difficulty into as many parts as is feasible and necessary to resolve it.

― Rene Descartes


How can you be certain that your whole life is not a dream?

― Rene Descartes


Perfect numbers like perfect men are very rare.

― Rene Descartes


There is nothing so strange and so unbelievable that it has not been said by one philosopher or another.

― Rene Descartes


An optimist may see a light where there is none, but why must the pessimist always run to blow it out?

― Rene Descartes


The chief cause of human errors is to be found in the prejudices picked up in childhood.

― Rene Descartes


Everything is self-evident.

― Rene Descartes


The senses deceive from time to time, and it is prudent never to trust wholly those who have deceived us even once.

― Rene Descartes


Illusory joy is often worth more than genuine sorrow.

― Rene Descartes


One cannot conceive anything so strange and so implausible that it has not already been said by one philosopher or another.

― Rene Descartes


I am indeed amazed when I consider how weak my mind is and how prone to error.

― Rene Descartes


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