The attempt to make heaven on earth invariably produces hell.

Genuine philosophical problems are always rooted outside philosophy and they die if these roots decay.

I remained a socialist for several years, even after my rejection of Marxism; and if there could be such a thing as socialism combined with individual liberty, I would be a socialist still. For nothing could be better than living a modest, simple, and free life in an egalitarian society.

The question is not how to get good people to rule; THE QUESTION IS: HOW TO STOP THE POWERFUL from doing as much damage as they can to us.

It is a myth that the success of science in our time is mainly due to the huge amounts of money that have been spent on big machines. What really makes science grow is new ideas, including false ideas.

A theory that explains everything, explains nothing

It is the rule which says that the other rules of scientific procedure must be designed in such a way that they do not protect any statement in science against falsification.