Prejudices subsist in people's imagination long after they have been destroyed by their experience.
Ideas are the roots of creation.
Education is the methodical creation of the habit of thinking.
Too often we forget that genius, too, depends upon the data within its reach, that even Archimedes could not have devised Edison's inventions.
A book, like a landscape, is a state of consciousness varying with readers.
The history of the past interests us only in so far as it illuminates the history of the present.