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

Quote by Rene Descartes

Topics: Doubt Quotes

Everything is self-evident.

Everything is self-evident.

Perfect numbers like perfect men are very rare.

Perfect numbers like perfect men are very rare.

Whenever anyone has offended me, I try to raise my soul so high that the...

Whenever anyone has offended me, I try to raise my soul so high that the...

I think therefore I exist.

I think therefore I exist.

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

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

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

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

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

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

The senses deceive from time to time, and it is prudent never to trust wholly...

The senses deceive from time to time, and it is prudent never to trust wholly...

Common sense is the most fairly distributed thing in the world, for each one thinks...

Common sense is the most fairly distributed thing in the world, for each one thinks...

Good sense is of all things in the world the most equally distributed, for everybody...

Good sense is of all things in the world the most equally distributed, for everybody...

I think; therefore I am.

I think; therefore I am.

If you would be a real seeker after truth, it is necessary that at least...

If you would be a real seeker after truth, it is necessary that at least...

Whenever anyone has offended me, I try to raise my soul so high that the...

Whenever anyone has offended me, I try to raise my soul so high that the...

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

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

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

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

One cannot conceive anything so strange and so implausible that it has not already been...

One cannot conceive anything so strange and so implausible that it has not already been...

I hope that posterity will judge me kindly, not only as to the things which...

I hope that posterity will judge me kindly, not only as to the things which...

When I consider this carefully, I find not a single property which with certainty separates...

When I consider this carefully, I find not a single property which with certainty separates...

Will we ever return to a time before dreams were slogans?

Will we ever return to a time before dreams were slogans?

Who always only dreams of luck shouldnt be surprised if he oversleeps it.

Who always only dreams of luck shouldnt be surprised if he oversleeps it.