If you want the present to be different from the past, study the past.

No man's knowledge here can go beyond his experience.

If there were no bad people, there would be no good lawyers.

Opinion is the medium between knowledge and ignorance.

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

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.

Science is a way of thinking much more than it is a body of knowledge.

Books are for people who wish they were somewhere else.

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

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

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

The most important part of teaching is to teach what it is to know.

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

I cannot teach anybody anything. I can only make them think

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

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

I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.

The highest result of education is tolerance.

The reading of all good books is like conversation with the finest men of past centuries.

Real learning comes about when the competitive spirit has ceased.