Those who fail to learn the lessons of history are doomed to repeat them.

I have no special talents. I am only passionately curious.

Necessity is the mother of invention.

The deepest sin against the human mind is to believe things without evidence.

I think that kids have a greater capacity for processing things than we give them credit for.

No power and no treasure can outweigh the extension of our knowledge.

Better know nothing than half-know many things.

The task of a writer is not to solve the problem but to state the problem correctly.

There is no authority who decides what is a good idea.

You can never be overdressed or overeducated.

Human behavior flows from three main sources: desire, emotion, and knowledge

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

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

Books are as useful to a stupid person as a mirror is useful to a blind person.

Seek knowledge from the cradle to the grave.

The progressive development of man is vitally dependent on invention.

The man who does not read good books has no advantage over the man who can't read them.

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

Any sufficiently advanced technology is indistinguishable from magic.

What sculpture is to a block of marble, education is to a human soul.

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