Actually Q has posted links to this movie trailer in regards to the saying. It is also a saying used by some in the military. Q does not claim to be the originator:
https://www.youtube.com/watch?v=B5T7Gr5oJbM&list=PLQYmph9M1geiEd275AaGqXCUqDMt4EXkS&index=69&t=0s
I was referring to what the other poster said.