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

The ability to observe without evaluating is the highest form of intelligence.

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.

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

Evil being the root of mystery, pain is the root of knowledge.

If I have seen further it is by standing on the shoulders of Giants.

Reading without reflecting is like eating without digesting.

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

Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.

Civilization is a race between disaster and education.

I learned very early the difference between knowing the name of something and knowing something.

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.

Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.

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

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

Those who fail to learn the lessons of history are doomed to repeat them.

Don't learn to do, but learn in doing.

What is freedom of expression? Without the freedom to offend, it ceases to exist.

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.

We could never learn to be brave and patient, if there were only joy in the world

A child miseducated is a child lost.