The more I read, the more I acquire, the more certain I am that I know nothing.

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

I am a part of everything that I have read.

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

Necessity is the mother of invention.

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

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

To every action there is always an equal and opposite or contrary, reaction

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

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

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

The great difficulty in education is to get experience out of ideas.

Most people have never learned that one of the main aims in life is to enjoy it.

Patience is a virtue, and I'm learning patience. It's a tough lesson.

The only good is knowledge and the only evil is ignorance.

Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.

Many much-learned men have no intelligence.

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

Education is a system of imposed ignorance.

The schools ain't what they used to be and never was.

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