It is the clear duty of men of science, and of all who value scientific knowledge, to protest against the new forms of persecution rather than to congratulate themselves complacently upon the decay of the older forms. ... In the countries in which men of science have won almost as much intellectual freedom as they desire, they should show, by impartial condemnation, that they dislike its curtailment elsewhere whatever may be the doctrines for the sake of which it is suppressed.
Source: Religion and Science, 1935, chapt. 10: Conclusion
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