Ernst Mayr

To take an unequivocal stand, it seems to me, is of greater heuristic value and far more likely to stimulate read more

To take an unequivocal stand, it seems to me, is of greater heuristic value and far more likely to stimulate constructive criticism than to evade the issue.

The history of science knows scores of instances where an investigator was in the possession of all the important facts read more

The history of science knows scores of instances where an investigator was in the possession of all the important facts for a new theory but simply failed to ask the right questions.

...democracy can be interpreted to assert not only equality before the law but also essentialistic identity in all respects. This read more

...democracy can be interpreted to assert not only equality before the law but also essentialistic identity in all respects. This is expressed in the claim, "All men are created equal," which is something very different from the statement, "All men have equal rights and are equal before the law." Anyone who believes in the genetic uniqueness of every individual thereby believes in the conclusion, "No two individuals are created equal.".

Mathematics is as little a science as grammar is a language.

Mathematics is as little a science as grammar is a language.

...definitions are temporary verbalizations of concepts, and concepts- particularly difficult concepts- are usually revised repeatedly as our knowledge and understanding read more

...definitions are temporary verbalizations of concepts, and concepts- particularly difficult concepts- are usually revised repeatedly as our knowledge and understanding grows.