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

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...

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.

The two operations of our understanding, intuition and deduction, on which alone we have said...

The two operations of our understanding, intuition and deduction, on which alone we have said...

Everybody thinks himself so well supplied with common sense that even those most difficult to...

Everybody thinks himself so well supplied with common sense that even those most difficult to...

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...

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

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

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

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...

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...

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

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...

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

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

Of all things, good sense is the most fairly distributed: everyone thinks he is so...

Of all things, good sense is the most fairly distributed: everyone thinks he is so...

Travelling is almost like talking with those of other centuries.

Travelling is almost like talking with those of other centuries.

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.

The principal effect of the passions is that they incite and persuade the mind to...

The principal effect of the passions is that they incite and persuade the mind to...

Everything is self-evident.

Everything is self-evident.

I think; therefore I am.

I think; therefore I am.

A prison becomes a home when you have the key.

A prison becomes a home when you have the key.

Philosophy is like trying to open a safe with a combination lock: each little adjustment...

Philosophy is like trying to open a safe with a combination lock: each little adjustment...

Thought means life, since those who do not think so do not live in any...

Thought means life, since those who do not think so do not live in any...