Our observation of nature must be dilige…

Our observation of nature must be diligent, our reflection profound, and our experiments exact. We rarely see these three means combined and for this reason, creative geniuses are not common.

Quote, saying and phrase by: Denis Diderot

There are three principal means of acqui…

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.

Quote, saying and phrase by: Denis Diderot