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

The books that the world calls immoral are books that show the world its own shame.

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

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

When you know better you do better.

Most people have never learned that one of the main aims in life is to enjoy it.

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.

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

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

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

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

Investigate, educate and organize the country must progress, productive works and industries are the main avenues at present next to education for the advancement of the country

You can never learn less, you can only learn more.

Real learning comes about when the competitive spirit has ceased.

To educate a person in the mind but not in morals is to educate a menace to society.

What is now proved was once only imagined.

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

Imagination is more important than knowledge.

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

Educate the children and it won't be necessary to punish the men.

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