- "When we see the shadow on our images, are we seeing the time 11 minutes ago on Mars? Or are we seeing the time on Mars as observed from Earth now? It's like time travel problems in science fiction. When is now; when was then?"
- "What hadn't been realized in the literature until now is that merely to describe how severely something has been tested in the past itself embodies inductive assumptions, even as a statement about the past."
- "I'm really into Sweet 75 right now, and I dig playing Nirvana, don't get me wrong. Even if Kurt never died, more than likely I'd be in Sweet 75 today still."
- "Howard Dean is not the first politician to distort facts in his own interests. But many activists in the party he now leads are puzzled over what he thinks he is accomplishing politically. Is it good politics to contend that Iraq was better off under Saddam Hussein than even a flawed Islamic republic?"
- "It's important right now to continue to have your patients contact their senators and their congresspeople to say we have a problem. We want you to help solve it, we want you to be involved."
- "If at the end of May we don't, we'll reform, regroup, decide how we're going to go about it, but if the task force can't come up with the bill, I'm going to push mine, and go ahead and make the changes in it that we've been working on now for a year or two and just go for it."
- "Now, therefore, the Directors of the company are hereby ordered to see that precautions are taken to make travel on said railroad perfectly safe by using a screw with at least twenty-four inches diameter."