I cannot live without books.

Study without desire spoils the memory, and it retains nothing that it takes in.

An investment in knowledge pays the best interest.

Better know nothing than half-know many things.

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

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 little knowledge is a dangerous thing. So is a lot.

If the facts don't fit the theory, change the facts.

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

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

No power and no treasure can outweigh the extension of our knowledge.

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

My weapon is literature

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

Opinion is the medium between knowledge and ignorance.

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

A witty saying proves nothing.

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

The first principle is that you must not fool yourself and you are the easiest person to fool.

Science is what we have learned about how to keep from fooling ourselves.

It is what you read when you don't have to that determines what you will be when you can't help it.