Education is an ornament for the prosperous, a refuge for the unfortunate.

That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.

The books that the world calls immoral are books that show the world its own shame.

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

One test of the correctness of educational procedure is the happiness of the child.

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

When you know better you do better.

Real knowledge is to know the extent of one's ignorance.

The secret of life is not enjoyment but education through experience.

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

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

What we know is a drop, what we don't know is an ocean.

It is possible to fly without motors, but not without knowledge and skill.

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

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

Any sufficiently advanced technology is indistinguishable from magic.

Books are for people who wish they were somewhere else.

I am indebted to my father for living, but to my teacher for living well.

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

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

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