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

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.

The most savage controversies are those about matters as to which there is no good evidence either way.

In mathematics you don't understand things. You just get used to them.

What sculpture is to a block of marble, education is to a human soul.

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.

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

I have no special talents. I am only passionately curious.

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

I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.

Books are for people who wish they were somewhere else.

The real solution lies in a world in which charity will have become unnecessary.

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

Never help a child with a task at which he feels he can succeed.

I am a part of everything that I have read.

Courage, conviction and confidence.

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

The deepest sin against the human mind is to believe things without evidence.

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

The knowledge of all things is possible

Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.