Necessity is the mother of invention.

Books are for people who wish they were somewhere else.

Investigate, educate and organize.

What we know is a drop, what we don't know is an ocean.

The only true wisdom is in knowing you know nothing.

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

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

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

The first principle is that you must not fool yourself and you are the easiest person to fool.

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

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.

The books that the world calls immoral are books that show the world its own shame.

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

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

Real knowledge is to know the extent of one's ignorance.

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.

A child educated only at school is an uneducated child.

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

The schools ain't what they used to be and never was.

Better know nothing than half-know many things.

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.