If one cannot enjoy reading a book over and over again, there is no use in reading it at all.

Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.

It is better to know how to learn than to know.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

Knowing others is wisdom, knowing yourself is Enlightenment.

Show me a family of readers, and I will show you the people who move the world.

We could never learn to be brave and patient, if there were only joy in the world

Learning never exhausts the mind.

That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.

Just because I don't care doesn't mean I don't understand.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

Seek knowledge from the cradle to the grave.

I learned very early the difference between knowing the name of something and knowing something.

In order to stave off covetouness, greed, and spite, citizens world over must be educated.

It is beyond a doubt that all our knowledge begins with experience.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

The progressive development of man is vitally dependent on invention.

If the facts don't fit the theory, change the facts.

A thought is an idea in transit.