Internal Entities

Famous quotes containing the words internal and/or entities:

“One’s stomach is one’s internal environment.”
—Samuel Butler (1835–1902)

“Experimental work provides the strongest evidence for scientific realism. This is not because we test hypotheses about entities. It is because entities that in principle cannot be ‘observed’ are manipulated to produce a new phenomena
[sic] and to investigate other aspects of nature.”
—Ian Hacking (b. 1936)