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

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

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

Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.

Education is the kindling of a flame, not the filling of a vessel.

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

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

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

Opinion is the medium between knowledge and ignorance.

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.

Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.

Industrialize or perish.

A thought is an idea in transit.

My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.

The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.

Education is the ability to listen to almost anything without losing your temper or your self-confidence.

There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.

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

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.

I am so clever that sometimes I don't understand a single word of what I am saying.