We have the duty of formulating, of summarizing, and of communicating our conclusions, in intelligible form, in recognition of the right of other free minds to utilize them in making their own decisions.

The more highly adapted an organism becomes, the less adaptable it is to any new change.

Natural selection is a mechanism for generating an exceedingly high degree of improbability.

... no scientific worker has a fixed level of significance at which from year to year, and in all circumstances, he rejects hypotheses; he rather gives his mind to each particular case in the light of his evidence and his ideas.

No aphorism is more frequently repeated in connection with field trials, than that we must ask Nature few questions, or, ideally, one question, at a time. The writer is convinced that this view is wholly mistaken. Nature, he suggests, will best respond to a logical and carefully thought out questionnaire; indeed, if we ask her a single question, she will often refuse to answer until some other topic has been discussed.

Experimental observations are only experience carefully planned in advance, and designed to form a secure basis of new knowledge.

In scientific subjects, the natural remedy for dogmatism has been found in research.