You are here:  ⊲ 

Category quotes the begin with "N"

Click on a category bellow to see list of Authors.
Nature   

Random Nature quotes


Quote 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.

Nationality: French     |    Profession: Editor

http://nature.quotesite.org/Denis-Diderot/40348/