“The only true wisdom is in knowing you know nothing.”   
  ***8213;     Socrates
“I was gratified to be able to answer promptly, and I did. I said I didn’t know.” 
  ***8213;     
Mark Twain
“Any fool can know. The point is to understand.”   
  ***8213;     
Albert Einstein
“Confidence is ignorance. If you're feeling cocky, it's because there's something you don't know.”   
  ***8213;     
Eoin Colfer
“The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.”   
  ***8213;     
Stephen Hawking
“I cannot teach anybody anything. I can only make them think”   
  ***8213;     
Socrates
“I cannot teach anybody anything. I can only make them think”   
  ***8213;     
Socrates
“People don't care how much you know until they know how much you care”   
  ***8213;     
Theodore Roosevelt
“It takes a very long time to become young.”   
  ***8213;     
Pablo Picasso
“Unless you try to do something beyond what you have already mastered, you will never grow.”   
  ***8213;     
Ronald E. Osborn
“Few people are capable of expressing with equanimity opinions which  differ from the prejudices of their social enviroment. Most people are  incapable of forming such opinions."
***8213;     
Albert Einstein
“Knowledge comes, but wisdom lingers.”   
  ***8213;     
Alfred Lord Tennyson
“It is sometimes easier to be happy if you don't know everything.”   
  ***8213;     
Alexander McCall Smith
“An investment in knowledge always pays the best interest.”   
  ***8213;     
Benjamin Franklin
“The eye sees only what the mind is prepared to comprehend.”   
  ***8213;     
Robertson Davies