If a man will begin with certainties, he shall end in doubts; but if he will be content to begin read more

If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties.

Ideas, as the raw material from which knowledge is produced, exist in superabundance, but that makes the production of knowledge read more

Ideas, as the raw material from which knowledge is produced, exist in superabundance, but that makes the production of knowledge more difficult rather than easier. Many ideas- probably most- will have to be discarded somewhere in the process of producing authenticated knowledge. Authentication is as important as the raw information itself, and the manner and speed of the authentication process can be crucial...

Our knowledge and our ability to handle our problems progress through the open conflict of ideas, through the tests of read more

Our knowledge and our ability to handle our problems progress through the open conflict of ideas, through the tests of phenomenological adequacy, inner consistency, and practical-moral consequences. Reason may err, but it can be moral. If we must err, let it be on the side of our creativity, our freedom, our betterment.

Science does not give us absolute and final certainty. It only gives us assurance within the limits of our mental read more

Science does not give us absolute and final certainty. It only gives us assurance within the limits of our mental abilities and the prevailing state of scientific thought.

We do not have to visit a madhouse to find disordered minds; our planet is the mental institution of the read more

We do not have to visit a madhouse to find disordered minds; our planet is the mental institution of the universe.

An inventor is simply a fellow who doesn't take his education too seriously.

An inventor is simply a fellow who doesn't take his education too seriously.

The burning of an author's books, imprisonment for opinion's sake, has always been the tribute that an ignorant age pays read more

The burning of an author's books, imprisonment for opinion's sake, has always been the tribute that an ignorant age pays to the genius of its time.

We keep, in science, getting a more and more sophisticated view of our essential ignorance.

We keep, in science, getting a more and more sophisticated view of our essential ignorance.

Nothing has an uglier look to us than reason, when it is not on our side.

Nothing has an uglier look to us than reason, when it is not on our side.