Every genuine test of a theory is an attempt to falsify it, or to refute it.

Science must begin with myths, and with the criticism of myths.

Criticism of my alleged views was widespread and highly successful. I have yet to meet a criticism of my views.

Our aim must be to make our successive mistakes as quickly as possible. To speed up evolution.

The method of science depends on our attempts to describe the world with simple theories: theories that are complex may become untestable, even if they happen to be true. Science may be described as the art of systematic over-simplification-the art of discerning what we may with advantage omit.

Every discovery contains an irrational element or a creative intuition.

With regards to political enemies Plato had a kill-and-banish principle. ... In interpreting it , modern-day Platonists are clearly disturbed by it, even as they make elaborate attempts to defend Plato.