It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.

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

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

A thought is an idea in transit.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

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

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

The highest result of education is tolerance.

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

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

Reading without reflecting is like eating without digesting.

Science is not only a disciple of reason but, also, one of romance and passion.

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

The only true wisdom is in knowing you know nothing.

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

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

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

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

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

A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.

Men are born ignorant, not stupid. They are made stupid by education.