I would define a book as a work of magic whence escape, all kinds of images to trouble the souls and change the hearts of men

Never lend books, for no one ever returns them; the only books I have in my library are books that other folks have lent to me

One thing above all gives charm to men's thoughts, and this is unrest. A mind that is not uneasy irritates and bores me.

War will disappear only when men shall take no part whatever in violence and shall be ready to suffer every persecution that their abstention will bring them. It is the only way to abolish war.

We live too much in books and not enough in nature, and we are very much like the simpleton of a Pliny the Younger, who went on studying a Greek author while before his eyes Vesuvius was overwhelming five cities beneath the ashes

You change your life by changing your heart.