Ernst Mayr

Every politician, clergyman, educator, or physician, in short, anyone dealing with human individuals, is bound to make grave mistakes if read more

Every politician, clergyman, educator, or physician, in short, anyone dealing with human individuals, is bound to make grave mistakes if he ignores these two great truths of population zoology: (1) no two individuals are alike, and (2) both environment and genetic endowment make a contribution to nearly every trait.

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.

Evolution as such is no longer a theory for a modern author. It is as much a fact as that read more

Evolution as such is no longer a theory for a modern author. It is as much a fact as that the earth revolves around the sun.

...most scientific problems are far better understood by studying their history than their logic.

...most scientific problems are far better understood by studying their history than their logic.

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.