Observation Collects Quotes

2 Observation Collects quotes by 1 unique authors

• 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… — Denis Diderot

Who Wrote These Observation Collects Quotes

1 author contributed a total of 2 Observation Collects Quotes as follows:

• 1 Observation Collects Quote by Denis Diderot