The advancement and diffusion of knowledge is the only guardian of true liberty.

I had therefore to remove knowledge, in order to make room for belief.

But although all our knowledge begins with experience, it does not follow that it arises from experience.

The natural desire of good men is knowledge.

To learn something but not to do is really not to learn. To know something but not to do is really not to know.

All knowledge or form conception is evoked through the medium of the eye, either in response to disturbances directly received on the retina or to their fainter secondary effects and reverberations. Other sense organs can only call forth feelings which have no reality of existence and of which no conception can be formed.

As long as you know men are like children, you know everything!

Proselytism is solemn nonsense; it makes no sense. We need to get to know each other, listen to each other and improve our knowledge of the world around us.

Faith is a knowledge within the heart, beyond the reach of proof.

Cosmology is a rapidly advancing field.

An ignorant person is one who doesn’t know what you have just found out.

Mistakes are, after all, the foundations of truth, and if a man does not know what a thing is, it is at least an increase in knowledge if he knows what it is not.

The old believe everything, the middle-aged suspect everything, the young know everything.

There is nothing so stupid as the educated man if you get him off the thing he was educated in.

Be careful to leave your sons well instructed rather than rich, for the hopes of the instructed are better than the wealth of the ignorant.

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

Read about history, and you become aware that nothing starts with us.

His priority did not seem to be to teach them what he knew, but rather to impress upon them that nothing, not even… knowledge, was foolproof.

The more that you read, the more things you will know. The more that you learn, the more places you’ll go.

Knowledge is knowing that we cannot know.

Education is the period during which you are being instructed by somebody you do not know, about something you do not want to know.

If you can’t read, the only thing you can do is enjoy the pictures, not the whole story. Reading is the key to knowledge. Knowledge is the key to understanding. So read on, young man! Read on, young lady!

What we become depends on what we read after all of the professors have finished with us. The greatest university of all is a collection of books.

Nothing in education is so astonishing as the amount of ignorance it accumulates in the form of inert facts.

‚I wish life was not so short,‘ he thought. ‚Languages take such a time, and so do all the things one wants to know about.‘

There is a cult of ignorance in the United States, and there has always been. The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that my ignorance is just as good as your knowledge.

He who knows best knows how little he knows.

The less you know, the more you believe.

The advance of technology is based on making it fit in so that you don’t really even notice it, so it’s part of everyday life.

It is a profound and necessary truth that the deep things in science are not found because they are useful; they were found because it was possible to find them.

Music is the one incorporeal entrance into the higher world of knowledge which comprehends mankind but which mankind cannot comprehend.

We have no right to express an opinion until we know all of the answers.

The first step in a person’s salvation is knowledge of their sin.

I know that I am intelligent, because I know that I know nothing.

Everybody is ignorant, only on different subjects.

The only real security that a man can have in this world is a reserve of knowledge, experience and ability.

There is no darkness but ignorance.

I want parents to teach that academic intelligence is essential, but so is financial intelligence.

To know the laws is not to memorize their letter but to grasp their full force and meaning.

You shall know the truth, and the truth shall make you mad.

To know what you know and what you do not know, that is true knowledge.

Knowing is not enough; we must apply. Willing is not enough; we must do.

The man who reads nothing at all is better educated than the man who reads nothing but newspapers.

Science is increasingly answering questions that used to be the province of religion.

I do not think much of a man who is not wiser today than he was yesterday.

Opinion is the medium between knowledge and ignorance.

The modern mind is in complete disarray. Knowledge has stretched itself to the point where neither the world nor our intelligence can find any foot-hold. It is a fact that we are suffering from nihilism.

A learned blockhead is a greater blockhead than an ignorant one.

People who make history know nothing about history. You can see that in the sort of history they make.

A man is the whole encyclopedia of facts.

Knowledge is a polite word for dead but not buried imagination.

For centuries, theologians have been explaining the unknowable in terms of the-not-worth-knowing.

My education was the liberty I had to read indiscriminately and all the time, with my eyes hanging out.

A man who has never gone to school may steal from a freight car; but if he has a university education, he may steal the whole railroad.

Education is what remains after one has forgotten what one has learned in school.

All the knowledge I possess everyone else can acquire, but my heart is all my own.

New knowledge is the most valuable commodity on earth. The more truth we have to work with, the richer we become.

The true university of these days is a collection of books.

Access to the Vedas is the greatest privilege this century may claim over all previous centuries.

The degree of one’s emotions varies inversely with one’s knowledge of the facts.

Science is nothing but perception.