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

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

Imagination is more important than knowledge.

Show me a family of readers, and I will show you the people who move the world.

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

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

The direction in which education starts a man will determine his future in life

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.

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

The great difficulty in education is to get experience out of ideas.

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

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

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

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

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

What is now proved was once only imagined.

It is better to know how to learn than to know.

A witty saying proves nothing.

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

If one cannot enjoy reading a book over and over again, there is no use in reading it at all.

Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.