Dare to think for yourself.

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

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

Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

There is no authority who decides what is a good idea.

The knowledge of all things is possible

What is freedom of expression? Without the freedom to offend, it ceases to exist.

A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.

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

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

Human behavior flows from three main sources: desire, emotion, and knowledge

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

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

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

A witty saying proves nothing.

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.

Reading without reflecting is like eating without digesting.

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

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