Happiness is this place that, once you arrive there, you have nothing else to do. You get bored. Passion is this up and down; it's like a rollercoaster, you know, and much more interesting to me.
What's very interesting about the violence in Lebanon and the violence in Iraq and the violence in Gaza is this: These are all groups of terrorists who are trying to stop the advance of democracy. They're trying to thwart the will of millions who simply want a normal, hopeful life. That's what we're seeing.
There is a reward structure in science that is very interesting: Our highest honors go to those who disprove the findings of the most revered among us. So Einstein is revered not just because he made so many fundamental contributions to science, but because he found an imperfection in the fundamental contribution of Isaac Newton.
See, one of the interesting things in the Oval Office - I love to bring people into the Oval Office - right around the corner from here - and say, this is where I office, but I want you to know the office is always bigger than the person.
I probably would've kept slogging on that same chord change, because there's a tendency to have that happen. You get into the cadence in your mind, and it's hard to make the kind of left turn that you probably need to keep it really interesting.