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

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

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

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

Knowing others is wisdom, knowing yourself is Enlightenment.

The only true wisdom is in knowing you know nothing.

I decided to teach because I think that any person who studies philosophy has to be involved actively.

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

There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.

To every action there is always an equal and opposite or contrary, reaction

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

Evil being the root of mystery, pain is the root of knowledge.

One test of the correctness of educational procedure is the happiness of the child.

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

The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.

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

You can never be overdressed or overeducated.

The knowledge of all things is possible

A thought is an idea in transit.

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.