[Those] who have an excessive faith in their theories or in their ideas are not only poorly disposed to make discoveries, but they also make very poor observations.
![[Those] who have an excessive faith in their theories or in their ideas are not only poorly disposed to make discoveries, but they also make very poor observations.](http://cdn.quoteddaily.com/images/claude-bernard/those-who-have-an-excessive-faith-in-their-theories-or-in-their-ideas-are-not-only-poorly-disposed-to-make.jpg)
[Those] who have an excessive faith in their theories or in their ideas are not only poorly disposed to make discoveries, but they also make very poor observations.