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History warns us, however, that it is the customary fate of new truths to begin as heresies and to end as superstitions; and, as matters now stand, it is hardly rash to anticipate that, in another twenty years, the new generation, educated under the influences of the present day, will be in danger of accepting the main doctrines of the 'Origin of Species' with as little reflection, and it may be with as little justification, as so many of our contemporaries, twenty years ago, rejected them. Against any such a consummation let us all devoutly pray; for the scientific spirit is of more value than its products, and irrationally held truths may be more harmful than reasoned errors.

Thomas Henry Huxley#23

ScienceTruthBeliefEducationDogmaInquiry

About this quote

What does it mean?
Huxley warns that new scientific truths often start as rejected heresies but can become blindly accepted superstitions over time. He argues that the scientific spirit of inquiry is more valuable than any specific truth, and holding truths irrationally can be more harmful than reasoned errors.
In plain terms
New truths often start as rebellious ideas and end as blind beliefs, so we should value the spirit of questioning more than the conclusions themselves.
What can you take from it?
Question the assumptions you accept today just as you questioned those you rejected yesterday.

Where it applies

  • educating students
  • public discourse on science
  • long-term scientific progress

Putting it to work

  • teach critical thinking over rote facts
  • revisit established theories periodically

Questions to consider

  • How do we know when a scientific theory becomes a dogma?
  • What assumptions do you hold without reflection?

Another view

It is difficult to distinguish between well-supported conclusions and mere superstition without significant expertise.

More from Thomas Henry Huxley

  1. If a little knowledge is dangerous, where is the man who has so much as to be out of danger?

    Permalink to quote #22
  2. The antagonism between science and religion, about which we hear so much, appears to me to be purely factitious-fabricated, on the one hand, by short-sighted r…

    Permalink to quote #24
  3. The great end of life is not knowledge but action.

    Permalink to quote #21

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