Necessity is the mother of invention.

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

When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.

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

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

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

The whole of science is nothing more than a refinement of everyday thinking.

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

A child educated only at school is an uneducated child.

The progressive development of man is vitally dependent on invention.

If you can't explain it simply, you don't understand it well enough.

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

Dare to think for yourself.

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

When you know better you do better.

Courage, conviction and confidence.

An investment in knowledge pays the best interest.

Study without desire spoils the memory, and it retains nothing that it takes in.

Evil being the root of mystery, pain is the root of knowledge.

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