Prayer is less about changing the world than it is about changing ourselves.

The only whole heart is a broken one because it lets the light in.

The studies that have been done are simple compared to the kinds of lies you find in courtrooms or other places you want to use this technology. The vast majority of research has been done with yes-or-no answers.

There are two things I enjoy most about my work. First, I get to work with interesting and enthusiastic people who are also fired up about science. Second, every once in a while I have moments in which I suddenly understand the solution to a problem that I've been working on - those are great moments.

They should have closed the garage. Lives would have been saved, and 1,000 people would not have been hurt.

Calculate the fine structure constant from first principles.