Quotation by

Denis Diderot

There are three principal means of acquiring knowledge... observation of nature, reflection, and experimentation. Observation collects facts reflection combines them experimentation verifies the result of that combination.

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Understanding this quote AI Analysis

Diderot explains that we gain knowledge by first noticing things around us, then thinking carefully about those facts, and finally testing our ideas to see if they are true. This process ensures that what we understand about nature is based on real evidence and careful reasoning.

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And the day came when the risk to remain tight in a bud was more painful than the risk it took to blossom.

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I thank you God for this most amazing day, for the leaping greenly spirits of trees, and for the blue dream of sky and for everything which is natural, which is infinite, which is yes.
All my life I have tried to pluck a thistle and plant a flower wherever the flower would grow in thought and mind.
And this, our life, exempt from public haunt, finds tongues in trees, books in the running brooks, sermons in stones, and good in everything.