Claude Bernard Quote

Men who have excessive faith in their theories or ideas are not only ill prepared for making discoveries; they also make very poor observations.

The Art of Scientific Investigation (1865)

Men who have excessive faith in their theories or ideas are not only ill prepared for making discoveries; they also make very poor observations.

Men who have excessive faith in their theories or ideas are not only ill prepared for making discoveries; they also make very poor observations.

Men who have excessive faith in their theories or ideas are not only ill prepared for making discoveries; they also make very poor observations.

Men who have excessive faith in their theories or ideas are not only ill prepared for making discoveries; they also make very poor observations.