Claude Bernard Quote

We must alter theory to adapt it to nature, but not nature to adapt it to theory.

Introduction à l'Étude de la Médecine Expérimentale [An Introduction to the Study of Experimental Medicine (1865)

We must alter theory to adapt it to nature, but not nature to adapt it to theory.

We must alter theory to adapt it to nature, but not nature to adapt it to theory.

We must alter theory to adapt it to nature, but not nature to adapt it to theory.

We must alter theory to adapt it to nature, but not nature to adapt it to theory.