This collection of Feyerabend's philosophical papers gathers together work originally published between 1960 and 1980.

Introduction to Volume 3 John Preston; 1. The problem of theoretical entities; 2. Knowledge without foundations; 3. How to be a good empiricist: a plea for tolerance in matters epistemological; 4. Outline of a pluralistic theory of knowledge and action; 5. Experts in a free society; 6. Philosophy of science: a subject with a great past; 7. On the limited validity of methodological rules; 8. How to defend society against science; 9. Let's make more movies; 10. Rationalism, relativism and scientific method; 11. Democracy, elitism and scientific method; 12. Appendix.