“I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or reason, or a posteriori when experience teaches us that it is in fact in nature.”
“I'm one of those people who when I go over a bridge, I want to jump. It's just this intense tickle in the back of my throat. It's like I'm on the verge the whole time I'm walking over that bridge, and I'm not going to get a release until I jump.”