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

The progressive development of man is vitally dependent on invention.

There is nothing more awful, insulting, and depressing than banality.

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

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

What sculpture is to a block of marble, education is to a human soul.

What is now proved was once only imagined.

If there were no bad people, there would be no good lawyers.

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

The white man is very clever. He came quietly and peaceably with his religion. We were amused at his foolishness and allowed him to stay. Now he has won our brothers, and our clan can no longer act like one. He has put a knife on the things that held us together and we have fallen apart.

I am so clever that sometimes I don't understand a single word of what I am saying.

Better know nothing than half-know many things.

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

A thought is an idea in transit.

Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.

Education is the most powerful weapon which you can use to change the world.

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

Make it a rule never to give a child a book you would not read yourself.

When you know better you do better.

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

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