"I'm going to take you out tonight," he said. "Another Heisenberg dinner."
"What's that?"
"Uncertainty," Edward said crisply. "We know where we are going, but not what we are going to eat. Or vice versa."
"Sounds wonderful. Which car?"
"The Quantum, of course."
"Oh, Lord. We just had the speedometer fixed."
"And the steering went out?"

Greg Bear - Blood Music