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

The ability to observe without evaluating is the highest form of intelligence.

Educate the children and it won't be necessary to punish the men.

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

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

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

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

I am so clever that sometimes I don't understand a single word of what I am saying.

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.

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

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

Better know nothing than half-know many things.

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

A child miseducated is a child lost.

Reading without reflecting is like eating without digesting.

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.

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

We could never learn to be brave and patient, if there were only joy in the world

Real learning comes about when the competitive spirit has ceased.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

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.