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

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

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

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

Learning never exhausts the mind.

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

The secret of life is not enjoyment but education through experience.

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

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

Science is not only a disciple of reason but, also, one of romance and passion.

A child miseducated is a child lost.

Investigate, educate and organize.

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

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

Necessity is the mother of invention.

Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.

Study without desire spoils the memory, and it retains nothing that it takes in.

The only true wisdom is in knowing you know nothing.

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.

The more I read, the more I acquire, the more certain I am that I know nothing.

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