Seek knowledge from the cradle to the grave.

Dare to think for yourself.

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

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

A child educated only at school is an uneducated child.

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.

Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.

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

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

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

Knowledge becomes evil if the aim be not virtuous.

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

Science is a way of thinking much more than it is a body of knowledge.

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.

Intelligence plus character-that is the goal of true education.

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

Men are born ignorant, not stupid. They are made stupid by education.

The fullness of knowledge only comes through the awareness of ignorance.

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

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

Knowing others is wisdom, knowing yourself is Enlightenment.