Contrary to the outstanding work of art, outstanding theory is susceptible to improvements.

Every solution of a problem raises new unsolved problems.

The conspiracy theory of society... comes from abandoning god and then asking: "Who is in his place"

Historically speaking all - or very nearly all - scientific theories originate from myths.

Some scientists find, or so it seems, that they get their best ideas when smoking; others by drinking coffee or whisky. Thus there is no reason why I should not admit that some may get their ideas by observing, or by repeating observations.

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.

No number of sightings of white swans can prove the theory that all swans are white. The sighting of just one black one may disprove it.