Who said "Fear is the greatest weapon in any war."?

This quote is attributed to Werner.

Fear is the greatest weapon in any war. - Werner

"Fear is the greatest weapon in any war."

Werner Fear

Character in All the Light We Cannot See

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"Science is not about magic, it is about understanding."

"There is something about that silence that feels lonely."

"What is the point of radio if we cannot use it to connect?"

"Learning is the only way forward."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."