Rene Descartes Quotes & Sayings

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

Deep Doubt Dream Imagination Philosophy Sleep Thought Truth
For to be possessed of a vigorous mind is not enough; the prime requisite is rightly to apply it.
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Apply Enough Mind Possess Right Vigorous
For the very fact that my knowledge is increasing little by little is the most certain argument for its imperfection.
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Argument Fact Increase Knowledge Little Myself Perfect
At last I will devote myself sincerely and without reservation to the general demolition of my opinions.
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Demolition Devote General Myself Opinion Reserve Sincere
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.
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Absurd Aware College Crazy Day Early Imagine Incredible Myself Opinion Philosophy
To know what people really think, pay attention to what they do, rather than what they say.
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Action Attention People Think
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.
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Bring Deceive Deep Himself Myself Philosophy Think
Am I so tied to a body and senses that I am incapable of existing without them?
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Body Capable Deep Exist Philosophy Senses Tie
Each problem that I solved became a rule which served afterwards to solve other problems.
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Problem Rule Serve Solve
Masked, I advance.
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Advance Mask Myself
The first precept was never to accept a thing as true until I knew it as such without a single doubt
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Acceptance Doubt Thing True
There is nothing more ancient than the truth.
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Ancient Nothing One Liner Philosophy Truth
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
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Deep Discover Doubt Effort Embarrass Error Found Ignore Instruct Myself Philosophy
When it is not in our power to determine what it true, we ought to follow what is most probable.
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Determine Follow Philosophy Power Probable True
All that is necessary to right action is right judgment, and to the best action the most correct judgment.
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Action Best Correct Deep Judge Necessary Right
I desire to live in peace and to continue the life I have begun under the motto ‘to live well you must live unseen’.
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Desire Life Live Peace Philosophy Well
Truths are more likely to have been discovered by one man than by nation
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Discover Man Nation Philosophy Truth
I doubt, therefore I think, therefore I am.
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Doubt Myself Philosophy Think
He who hid well, lived well.
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Hid Himself Well
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.
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Affirm Deep Deny Doubt Imagination Myself Refuse Sense Thing Think Understand Will
Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.
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Commodity Common Sense Convince Man Share Supply World
One should never judge anything unless it is known
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Judge Known
That we conduct our thoughts along different ways, and do not fix our attention on the same objects.
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Attention Different Fix Object Thought Way
The reading of all good books is like conversation with the finest men of past centuries.
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Book Conversation Fine Good Man Past Read
It is a common failing of mortals to deem the more difficult the fairer.
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Common Difficult Fail Fair Mortal
The will determines itself; it should not be described as blind, any more than vision should be described as deaf.
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Blind Deaf Deep Describe Determine Philosophy Vision Will
But in my opinion, all things in nature occur mathematically.
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Mathematics Myself Nature Opinion

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