* Early Use: The phrase appears to have emerged in the late 19th century, likely influenced by the rise of "coolness" as a desirable trait in American culture. This era saw the rise of poker and other gambling games where keeping a straight face and showing no emotion was crucial for success.
* Association with Stoicism: The expression likely draws inspiration from Stoicism, a philosophy that emphasizes emotional control and rational thought.
* Popularity in the 20th Century: The phrase gained widespread popularity in the early 20th century, with its use becoming more common in newspapers, magazines, and books.
* Military Influence: The phrase also found a foothold in the military, where calm under pressure was essential.
While there's no single definitive source for the origin, it's likely a combination of these factors that led to its adoption and widespread use.
Here's a quick summary:
* Emergence: Late 19th century
* Influences: Poker, Stoicism, American culture's emphasis on coolness
* Popularization: Early 20th century
* Usage: Widespread in various spheres, including the military
The phrase "cool, calm, and collected" has become a staple of the English language, signifying a desirable trait of composure and self-control.