[cynwoody]

One man’s clock is another man’s bomb trigger.

Any man's clock is any man's potential bomb trigger (if the objective is to make a time bomb).

But anyone with common sense knows that real bombs don't beep or tick or have big bright red user interfaces.

[R. Scott]

… bombs don't beep or tick or have big bright red user interfaces.

They do in the movies, that’s where many people get their information.