Famous quotes containing the words difference and/or principle:
“It doesn’t make any difference to me what a man does for a living, you understand. But your business is a little dangerous.”
—Mario Puzo (b. 1920)
“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)