I think we ought always to entertain our opinions with some measure of doubt. I shouldn't wish people dogmatically to believe any philosophy, not even mine.

An individual human existence should be like a river

I do not pretend to start with precise questions. I do not think you can start with anything precise. You have to achieve such precision as you can, as you go along.

I think the subject which will be of most importance politically is Mass Psychology... Its importance has been enormously increased by the growth of modern methods of propaganda. Although this science will be diligently studied, it will be rigidly confined to the governing class. The populace will not be allowed to know how its convictions are generated.

I am as firmly convinced that religions do harm as I am that they are untrue.

Most political leaders acquire their position by causing large numbers of people to believe that these leaders are actuated by altruistic desires

We need a science to save us from science.