Better know nothing than half-know many things.

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

Education is a system of imposed ignorance.

Investigate, educate and organize.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

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

Free the child's potential, and you will transform him into the world.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

Knowledge becomes evil if the aim be not virtuous.

The highest result of education is tolerance.

Knowing others is wisdom, knowing yourself is Enlightenment.

The task of a writer is not to solve the problem but to state the problem correctly.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

To educate a person in the mind but not in morals is to educate a menace to society.

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

I am indebted to my father for living, but to my teacher for living well.

A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.

What is now proved was once only imagined.

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

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

Those who fail to learn the lessons of history are doomed to repeat them.