Dubito ergo cogito; cogito ergo sum. (I doubt, therefore I think; I think therefore I am)

Quote by Rene Descartes

Topics: Doubt Quotes, Philosophy Quotes, Thought Quotes

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.

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...

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

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

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...

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...

Common sense is the best distributed thing in the world, for everyone thinks he is...

Common sense is the best distributed thing in the world, for everyone thinks he is...

Illusory joy is often worth more than genuine sorrow.

Illusory joy is often worth more than genuine sorrow.

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

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

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...

I think; therefore I am.

I think; therefore I am.

There is nothing so strange and so unbelievable that it has not been said by...

There is nothing so strange and so unbelievable that it has not been said by...

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

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

An optimist may see a light where there is none, but why must the pessimist...

An optimist may see a light where there is none, but why must the pessimist...

Travelling is almost like talking with those of other centuries.

Travelling is almost like talking with those of other centuries.

The first precept was never to accept a thing as true until I knew it...

The first precept was never to accept a thing as true until I knew it...

If I found any new truths in the sciences, I can say that they follow...

If I found any new truths in the sciences, I can say that they follow...

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

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

The chess-board is the world, the pieces are the phenomena of the universe, the rules...

The chess-board is the world, the pieces are the phenomena of the universe, the rules...

The law is simply expediency wearing a long white dress.

The law is simply expediency wearing a long white dress.

Laws do not persuade because they threaten

Laws do not persuade because they threaten