“I get in trouble when I say things like, 'I'm attracted to violence.' I was a pretty angry kid, and I got into military history largely as a way to vent my own anger. As I got older it narrowed down to a more specific focus on individual violence. I'm just trying to understand where it came from.”

“Physics is nothing but the ABC's. Nature is an equation with an unknown, a Hebrew word which is written only with consonants to which reason has to add the dots.”