“You'll have a national Philosopher's strike on your hands!”

“You just come along with me and have a good time. The Galaxy's a fun place. You'll need to have this fish in your ear.”

“He was a dreamer, a thinker, a speculative philosopher... or, as his wife would have it, an idiot.”

“Let us be dreamers, thinkers, speculative philosophers, or as our spouses would have it: Idiots”

“If you try and take a cat apart to see how it works, the first thing you have on your hands is a non-working cat.”

“If it looks like a duck, and quacks like a duck, we have at least to consider the possibility that we have a small aquatic bird of the family anatidae on our hands.”

“Exactly!" said Deep Thought. "So once you do know what the question actually is, you'll know what the answer means.”