Our ideas are only intellectual instruments which we use to break into phenomena; we must change them when they have served their purpose, as we change a blunt lancet that we have used long enough.


An Introduction to the Study of Experimental Medicine (1865, tr. H. C. Green)

Claude Bernard Quotes

Our ideas are only intellectual instruments which we use to break into phenomena; we must change them when they have served their purpose, as we...

Our ideas are only intellectual instruments which we use to break into phenomena; we must change them when they have served their purpose, as we...

Our ideas are only intellectual instruments which we use to break into phenomena; we must change them when they have served their purpose, as we...

Our ideas are only intellectual instruments which we use to break into phenomena; we must change them when they have served their purpose, as we...