Wrongs are often forgiven; contempt never

Wrongs are often forgiven, but contempt never is. Our pride remembers it forever.

The age of contempt has to end,

Due attention to the inside of books, and due contempt for the outside, is the proper relation between a man of sense and his books.

Be wiser than other people, if you can, but do not tell them so.

Men, as well as women, are much oftener led by their hearts than by their understandings.