We disjoint the mind like the body.
It is not my words that I polish, but my ideas.
We find little in a book but what we put there. But in great books, the mind finds room to put many things.
To the liberal ideas of the age must be opposed the moral ideas of all ages.
There is an admiration which is the daughter of knowledge.
Old age takes from the man of intellect no qualities save those that are useless to wisdom.