The Hatter opened his eyes very wide on hearing this; but all he said was, “Why is a raven like a writing-desk?”
“Come, we shall have some fun now!” thought Alice. “I’m glad they’ve begun asking riddles. — I believe I can guess that,” she added aloud.
“Do you mean that you think you can find out the answer to it?” said the March Hare.
“Exactly so,” said Alice.

― Lewis Carroll Tweet