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.

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

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

The deepest sin against the human mind is to believe things without evidence.

The most savage controversies are those about matters as to which there is no good evidence either way.

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.

Knowing is not enough; we must apply. Willing is not enough; we must do.

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

Many much-learned men have no intelligence.

Reading without reflecting is like eating without digesting.

Don't learn to do, but learn in doing.

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

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

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.

Opinion is the medium between knowledge and ignorance.

I learned very early the difference between knowing the name of something and knowing something.

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

The reading of all good books is like conversation with the finest men of past centuries.

If you can't explain it simply, you don't understand it well enough.

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

That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.