Progress (n.) is, in science, unachievable from the mere superinducing and engrafting of new things upon old... rather, we must begin anew from the very foundations.
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Progress (n.) is always moving on. Even acorns were good until bread was found.
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Progress (n.) is impossible without great risk. If we are to achieve things never before accomplished we must employ methods never before attempted.
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Progress (n.) is a thing whereby the greatest innovator of all is time.... as such, he who will not apply new remedies must expect new evils.
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Progress (n.) is incremental. We rise to great heights by a winding staircase of small steps.