"I ask your forgiveness for having fallen. To prevent speculation, I observe I have a fracture in the knee and maybe the arm too, I'm not sure."

"I am a soldier of ideas."

"We do not flatter ourselves that we can solve all the problems of the world, but we do believe that we can make a contribution."

"Ideas do not need weapons."

"The United States has a very big problem. It has too many rich people."