Chemical and biological attacks are scary and will kill a lot of people but don't rise to the level of nuclear.
“OK, the wonderful thing about soccer is, a football is a perfectly round object, and it doesn't make mistakes. The player using it makes mistakes. And the more you use it, the less mistakes you make.”
“It's stunning to me what kind of an impact even one person can have if they have the right passion, perspective and are able to align the interest of a great team.”