The fullness of knowledge only comes through the awareness of ignorance.
No power and no treasure can outweigh the extension of our knowledge.
The first principle is that you must not fool yourself and you are the easiest person to fool.
If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.
The secret of life is not enjoyment but education through experience.
Learning never exhausts the mind.
Know what you are talking about.
With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.
If there were no bad people, there would be no good lawyers.
It is beyond a doubt that all our knowledge begins with experience.
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
Books are for people who wish they were somewhere else.
Study without desire spoils the memory, and it retains nothing that it takes in.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
The books that the world calls immoral are books that show the world its own shame.
I do not know how to teach philosophy without becoming a disturber of the peace.
I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.
It is what you read when you don't have to that determines what you will be when you can't help it.
What is freedom of expression? Without the freedom to offend, it ceases to exist.