Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

Any sufficiently advanced technology is indistinguishable from magic.

Industrialize or perish.

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.

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

Knowing others is wisdom, knowing yourself is Enlightenment.

The first principle is that you must not fool yourself and you are the easiest person to fool.

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

To educate a person in the mind but not in morals is to educate a menace to society.

Education is a system of imposed ignorance.

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

The first idea the child must acquire is that of the difference between good and evil.

I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.

Knowledge becomes evil if the aim be not virtuous.

The fullness of knowledge only comes through the awareness of ignorance.

Know what you are talking about.

When you know better you do better.

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

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

Common sense is the collection of prejudices acquired by age eighteen.

Liberty without Learning is always in peril and Learning without Liberty is always in vain.