No student knows his subject: the most he knows is where and how to find out the things he does not know
Woodrow WilsonFor my part, I am very much more afraid of the man who does a bad thing and does not know it is bad than of the man who does a bad thing and knows it is bad; because I think that in public affairs stupidity is more dangerous than knavery, because harder to fight and dislodge.
Woodrow Wilson