When we read we are able to travel to many places, meet many people and understand the world.

Don't be afraid to go in your library and read every book, as long as that document does not offend our own ideas of decency. That should be the only censorship.

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

Books are infinite in number and time is short. The secret of knowledge is to take what is essential. Take that and try to live up to it.

Don't join the book burners. Don't think you are going to conceal faults by concealing evidence that they ever existed.

Why is The Origin of Species such a great book? First of all, because it convincingly demonstrates the fact of evolution: it provides a vast and well-chosen body of evidence showing that existing animals and plants cannot have been separately created in their present forms, but must have evolved from earlier forms by slow transformation.