"Learning does not make one learned: there are those who have knowledge and those who have understanding. The first requires memory and the second philosophy."

"Misfortune is needed to plumb certain mysterious depths in the understanding of men; pressure is needed to explode the charge. My captivity concentrated all my faculties on a single point. They had pr…"

"There is no such thing as a small enemy."

"It is necessary to have wished for death in order to know how good it is to live."

"There are some misfortunes in life that you can't blame on anyone else."