“You know, everybody's ignorant, just on different subjects.”

“Everyone is ignorant, only on different subjects.”

“All I know is just what I read in the papers, and that's an alibi for my ignorance.”

“Ignorance lies not in the things you don't know, but in the things you know that ain't so.”

“If you want to be successful, it's just this simple. Know what you are doing. Love what you are doing. And believe in what you are doing.”

“America is becoming so educated that ignorance will be a novelty. I will belong to the select few.”

“ Even though you are on the right track - you will get run over if you just sit there”