The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.

Books are for people who wish they were somewhere else.

The most important part of teaching is to teach what it is to know.

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

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

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

Education is a system of imposed ignorance.

When you know better you do better.

I do not know how to teach philosophy without becoming a disturber of the peace.

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

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

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

The man who does not read good books has no advantage over the man who can't read them.

I think that kids have a greater capacity for processing things than we give them credit for.

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

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

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

The only true wisdom is in knowing you know nothing.

If I have seen further it is by standing on the shoulders of Giants.

A child educated only at school is an uneducated child.

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