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

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.

The only good is knowledge and the only evil is ignorance.

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

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

The whole of science is nothing more than a refinement of everyday thinking.

The progressive development of man is vitally dependent on invention.

Reading is to the mind what exercise is to the body.

Many much-learned men have no intelligence.

It took us three years to build the NeXT computer. If we'd given customers what they said they wanted, we'd have built a computer they'd have been happy with a year after we spoke to them - not something they'd want now.

You can never be overdressed or overeducated.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

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

The highest result of education is tolerance.

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

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

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

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.

Knowing is not enough; we must apply. Willing is not enough; we must do.

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

If you want the present to be different from the past, study the past.