Выражение встречается в следующем контексте:Once upon a time, where was a rich Caliph in Baghdad.
He was very famous because he was wise and kind.
One morning he sent his servant, Abdul, to the market to buy some fruit.
As Abdul was walking through the market, he suddenly felt very could.

He turned round and saw a tall man, dressed in black.
He couldn’t see the man’s face, only his eyes.

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