“Open sesame” is a passphrase opening the treasure cave in the tale of Ali Baba and the Fourty Thieves. In French at least, it is a widely used phrase to say jokingly when using keys or any other mean ...
Inspired by What is this idiom?, but that question doesn't actually ask for where the expression originated. I Googled around, but couldn't find any reliable source. Surely the expression originates ...
The name of one of the Ernest Hemingway's short stories is "A man of the world". It seems to me that I understand the meaning of this phrase out from the context of the short story. But all the same ...