No rational argument will have a rational effect on a man who does not want to adopt a rational attitude.

Quote by Karl Popper

Topics: Karl Popper Quotes

Whenever a theory appears to you as the only possible one, take this as a...

Whenever a theory appears to you as the only possible one, take this as a...

Whenever a theory appears to you as the only possible one, take this as a...

Whenever a theory appears to you as the only possible one, take this as a...

We must plan for freedom, and not only for security, if for no other reason...

We must plan for freedom, and not only for security, if for no other reason...

We all remember how many religious wars were fought for a religion of love and...

We all remember how many religious wars were fought for a religion of love and...

It is impossible to speak in such a way that you cannot be misunderstood.

It is impossible to speak in such a way that you cannot be misunderstood.

There is no history of mankind, there are only many histories of all kinds of...

There is no history of mankind, there are only many histories of all kinds of...

Our knowledge can only be finite, while our ignorance must necessarily be infinite.

Our knowledge can only be finite, while our ignorance must necessarily be infinite.

Science must begin with myths, and with the criticism of myths.

Science must begin with myths, and with the criticism of myths.

Science may be described as the art of systematic over-simplification.

Science may be described as the art of systematic over-simplification.

Piecemeal social engineering resembles physical engineering in regarding the ends as beyond the province of...

Piecemeal social engineering resembles physical engineering in regarding the ends as beyond the province of...

We have become makers of our fate when we have ceased to pose as its...

We have become makers of our fate when we have ceased to pose as its...

It is impossible to speak in such a way that you cannot be misunderstood.

It is impossible to speak in such a way that you cannot be misunderstood.

In so far as a scientific statement speaks about reality, it must be falsifiable; and...

In so far as a scientific statement speaks about reality, it must be falsifiable; and...

Those who promise us paradise on earth never produced anything but a hell.

Those who promise us paradise on earth never produced anything but a hell.

Good tests kill flawed theories; we remain alive to guess again.

Good tests kill flawed theories; we remain alive to guess again.

We all remember how many religious wars were fought for a religion of love and...

We all remember how many religious wars were fought for a religion of love and...

If I were ever prosecuted for my religion, I truly hope there would be enough...

If I were ever prosecuted for my religion, I truly hope there would be enough...

Seek not to understand that you may believe, but believe that you may understand.

Seek not to understand that you may believe, but believe that you may understand.

This new concept ought to be elaborated alongside the religions, in such a way that...

This new concept ought to be elaborated alongside the religions, in such a way that...

I'm not religious, but I like God and he likes me.

I'm not religious, but I like God and he likes me.

The poetry of heroism appeals irresitably to those who don't go to a war, and...

The poetry of heroism appeals irresitably to those who don't go to a war, and...