No man's knowledge here can go beyond his experience.

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

Investigate, educate and organize.

If you can't explain it simply, you don't understand it well enough.

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

An investment in knowledge pays the best interest.

Common sense is the collection of prejudices acquired by age eighteen.

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

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

A child educated only at school is an uneducated child.

Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

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

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

I cannot teach anybody anything. I can only make them think

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

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

Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.

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

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

Know what you are talking about.

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.