And then, startling in its crisp transatlantic tones, a voice said:
“Stick ’em up.”
They swerved around. Schwartz, dressed in a peculiarly vivid set of striped pyjamas stood in the doorway. In his hand he held an automatic.
“Stick ’em up, guys. I’m pretty good at shooting.”
He pressed the trigger — and a bullet sang past the big man's ear and buried itself in the woodwork of the window.
Three pairs of hands were raised rapidly.

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "And then, startling in its crisp transatlantic tones, a voice said:
“Stick ’em up.”
They swerved around. Schwartz, dressed in a peculiarly vivid set of striped pyjamas stood in the doorway. In his hand he held an automatic.
“Stick ’em up, guys. I’m pretty good at shooting.”
He pressed the trigger — and a bullet sang past the big man's ear and buried itself in the woodwork of the window.
Three pairs of hands were raised rapidly." in the context of "" to mean that wisdom is timeless.