Answer:
This is needed both for courage and hardcover books.
Who has married many women but never has been married who is he
Glittering points that downward thrust. Sparkling spears that never rust.
What is eaten but not grown and was born in water but will disappear if soaked?
If all Wibbles are Criggles, all Borkins are Kwumblins, no Hoggles are Borkins, and all Criggles are Borkins, is it true that all Borkins are Criggles?
The warmer I am the fresher I am.