The Answer to the Great Question

"All right," said Deep Thought. "The Answer to the Great Question ..."
"Yes...!"
"Of Life, the Universe and Everything..." said Deep Thought.
"Yes...!"
"Is..." said Deep Thought, and paused.
"Yes...!"
"Is..."
"Yes...!!!...?"
"Forty-two," said Deep Thought, with infinite majesty and calm.

- Hitchhiker's Guide to the Galaxy, Douglas Adams