A riddle wrapped up in an enigma
What's the meaning of the phrase 'A riddle wrapped up in an enigma'?
A puzzle - difficult to solve.
What's the origin of the phrase 'A riddle wrapped up in an enigma'?
A form of Winston Churchill's quotation, made in a radio broadcast in October 1939:
"I cannot forecast to you the action of Russia. It is a riddle, wrapped in a mystery, inside an enigma; but perhaps there is a key. That key is Russian national interest."