When I consider this carefully, I find not a single property which with certainty separates the waking state from the dream. How can you be certain that your whole life is not a dream?

Quote by Rene Descartes

Topics: Dreams Quotes

The greatest minds, as they are capable of the highest excellencies, are open likewise to...

The greatest minds, as they are capable of the highest excellencies, are open likewise to...

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...

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...

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

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

Perfect numbers like perfect men are very rare.

Perfect numbers like perfect men are very rare.

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

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

I think therefore I exist.

I think therefore I exist.

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...

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...

Perfect numbers like perfect men are very rare.

Perfect numbers like perfect men are very rare.

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

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

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

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

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...

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 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...

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.

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

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

Self-confidence is the memory of success

Self-confidence is the memory of success

Self-confidence is the first requisite to great undertakings.

Self-confidence is the first requisite to great undertakings.