Roger Bacon — "Theories are of no use unless they can be verified by experiment."
Theories are of no use unless they can be verified by experiment.
Get This Quote & Author's Image Illustrated On:
Click any product to generate a realistic preview. Up to 3 at a time.
* Initial load can take up to 90 seconds — revising the preview in another color is nearly instant.
Kitchen
Apparel
Other
More from Roger Bacon
"It is necessary to know the causes of things, and not only their effects, if we wish to have perfect knowledge."
"The greatest part of the world is in error, and they do not know it."
"The secrets of nature are not revealed to those who rely on books alone."
"The study of grammar, as it is commonly taught, is a waste of time."
"The true knowledge is hidden from the common people, and is only revealed to a few."