"leap in the dark"Meghatározása és Jelentése

What is the origin of the idiom "leap in the dark" and when to use it?

The idiom "leap in the dark" originated in the 19th century and is often attributed to British Prime Minister Benjamin Disraeli. It is used metaphorically to describe an action or decision that is taken without complete information or understanding of the potential consequences, often involving a degree of risk or uncertainty.