“Make it a rule never to give a child a book you would not read yourself.”

“A life spent making mistakes is not only more honorable, but more useful than a life spent doing nothing.”

“The reasonable man adapts himself to the world: the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.”

“The reasonable man adapts himself to the world: the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.”