1. “The aim of argument, or of discussion, should not be victory but progress.”
2. “Science must begin with myths and with the criticism of myths.”
3. “It is impossible to speak in such a way that you cannot be misunderstood.”
4. “The wise man belongs to all countries, for the home of a great soul is the whole world.”
5. “Science may be described as the art of systematic oversimplification.”
6. “Our knowledge can only be finite, while our ignorance must necessarily be infinite.”
7. “What we need and what we want is to moralize politics, not to politicize morals.”
8. “True ignorance is not the absence of knowledge, but the refusal to acquire it.”
9. “No rational argument will have a rational effect on a man who does not want to adopt a rational attitude .”
10. “Those who promised us paradise on earth never produced anything but a hell.”
11. “If our civilization is to survive, we must break with the habit of deference to great men.”
12. “The quest for precision is analogous to the quest for certainty and both should be abandoned.”
13. “The future depends on ourselves and we do not depend on any historical necessity.”
14. “The simple truth is that truth is hard to come by, and that once found may easily be lost again.”
15. “The survival value of intelligence is that it allows us to extinct a bad idea, before the idea extincts us.”
